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Why do baseball managers argue with umpires in situations where they know it won't help? As I understand it, in baseball, some subset of the calls made by an umpire are open for review, at the request of one of the team's managers. In those cases, the managers are allowed to leave the dugout and question the correctnes...	Another reason is if a batter starts arguing over a strike call the manager may run out of the dugout to argue in the batter's place so the manager will get ejected instead of the player (arguing strike calls is an automatic ejection).
What are the most significant confirmed instances of match-rigging in football? What are the most significant confirmed (i.e. investigated by the governing body and punished) instances of match-rigging in football? When considering significance, please include: Level of the match: a World Cup match would be more si...	One of the most popular match-fixing scandals that happened recently was Italian Calciopoli scandal , where many Serie A clubs were accused of rigging games by selecting favorable referees, during 2004/05 and 2005/06 seasons. Lazio was deducted 30 points from 2005–06 Serie A, making them finish 16th instead of 6th.
Why is cricket not played at the Olympics? I am a big fan of cricket but cricket is not played in Olympics I want to know the reason of cricket is not played in Olympics <Q> This what I found from the Internet readings, Cricket was only held at the 1900 Summer Olympics in Paris, only two countries where participated i...	Cricket was to be played in the 1896 Olympics, but never took place due to a lack of participants.
Why do NBA stars keep playing in playoff blowouts? The 2017 - 2018 NBA conference finals have had several blowouts where by the start of the 4th quarter one team is clearly going to win, yet stars are playing many of these garbage minutes. For example, the Warriors are winning by 25, 8 minutes left, in the 3rd game of...	The momentum of the game also matters. Additionally, by pulling your starters you encourage the opponents to do so as well.
Are blisters first time wearing soccer cleats normal, or does it mean bad shoes? I played soccer last saturday for the first time in a loooong time. We played for two hours. The day after, I couldn't walk because of my legs .... but my feet were fine. I played in regular sneakers. This saturday we played again, and I ...	Blisters on your feet can be caused by several reasons, but mostly they are caused by wearing the wrong shoe size or not wearing them in properly.
How to identify the teams playing a particular football match? This might seem like a silly question to a football enthusiastic but how can I tell which team is which in a particular match? I don't know any players, and the jerseys also don't have country names on them. If I don't have access to commentary, it becomes ...	Even if you don't know any particular player, you can usually guess which team is which by reading the names of players on their jerseys.
How high does a baseball travel in a major league pop-up? It seems that major league baseball players have to wait a relatively long time to field a pop-up. This led me to wonder how high the ball traveled. If one knew how high the ball traveled, one could calculate speed and time approximately. <Q> Not sure if you're ...	Estimated at around 250 feet high and over 300 in the air to make it completely over the roof.
Why aren't Russian World Cup venues spread proportionately? This map shows that most of Russia has no World Cup stadium nearby, especially the central and eastern regions. Why is that? <Q> This is due to the population density of Russia. <S> It makes sense that the World Cup matches are taking place in the most inhabi...	All of the stadium venues are in or just near European Russia to keep travel time manageable.
Why did Japan stop to play just before the game ends on a match vs Poland? Japan seems to stop to play the game on the additional time on a World Cup match vs Poland, for about 2 minutes. But the score was 0-1 and Japan was going to be defeat if they cannot score before the game ends. So why did they seem to stop the...	Had they pushed for a goal they would've been vulnerable to counter attacks, which could lead into goals for Poland or more yellow cards for Japan which would've reduce from their tie breaker over Senegal.
Why did Manuel Neuer leave the goal post and come to the midfield position in group qualifiers? In the do or die match between Germany and South Korea in 2018 FIFA World Cup group stage, after conceding one goal, the German goalkeeper came forward to attack, leaving the goal post empty. Due to this, Korea scored an...	It is by no means unusual in a final minutes of a game when a team needs to score that goalkeeper plays in field.
Consequences outside the game for grievous fouls in football? A theoretical situation brought to mind by the recent Croatia-Denmark game. It's the world cup final. I'm a defender for Aland. Its the final minute of extra time and we look certain to go to penalties... Aland always loses in penalties. Our opponents Bland...	Therefore, the answer is yes, we could expect such a blatant foul to have consequences outside the game.
Base running after being awarded two bases Runner is one first base. He starts stealing second base but decides to go back to first. The ball goes from catcher to second baseman. Second baseman tries to pick up the runner going back to first but throws it in the stands. The runner goes to second and stops there. Then ...	It's a bad call.
Is is feasible to walk/run an average of 90,000 steps a day? I use the Samsung S-Health app which has a global step challenge with a public leaderboard. To complete the challenge, you need to walk 200,000 steps in the month. Looking over the leaderboard though, there are some people with ridiculously high step counts:...	So to answer the question, no, an average of 90,000 steps a day is not sustainable.
What do referees say to footballers after they score? Watching football games and highlights I often notice the referee saying something to a player who has just scored a goal. I can imagine if the player has celebrated too much it would be related to that, but I even see this happening if the player's celebration is ...	Congratulating a player on scoring a goal would be a rather strange move from a referee, almost implying he favours one team over another.
Table tennis change of hand Can I change my playing hand anytime in the game? What is the specific rule for hand change in table tennis? Is it allowed to play using one paddle by holding it any of the hands? <Q> I've looked through the rule book and there does not appear to be any rule addressing this specifically. <...	There are specific rules that apply to raquet hand and others to free hand, but there is nothing specific about that being a static thing (unchanging). According to ITTF rules there is no mention of losing the point if you decide to switch your playing hand in between a rally.
What is the maximum retirement age of cricket player? Many player retire from cricket at their on choice, but if they do not do it then what is the maximum age as specified by the respective cricket board until a player can play cricket and after that they will be retired officially by the cricket board? <Q> What is t...	Cricket has no age limit for retirement.
How to improve being out of breath early when doing freestyle swimming? When doing freestyle, I sink quite low in the water. As I turn my head sideways to breathe, it's still in the water, which makes me push my head more up and as a result, it breaks the momentum and I get tired/out of breath easily, although I'm in a...	One piece of equipment that might help quite a bit is a center position snorkel that allows you to breathe without turning your head.
What are the fundamentals of a tennis forehand? What should one consider when making a forehand stroke in tennis, and what should you look to avoid? <Q> What to do Use a proper grip. <S> People have different tastes, but the most common one these days is called the semi-western grip . <S> Make a unit turn (take ba...	Take a good "power position" with the racket head pointing up, while stretching the non-hitting hand to the side at the height of the shoulder. Keep your head pointing to the contact point while you finish the swing by a nice follow-through. Make sure you are in the right grip It has to be achieved in a nice and effort...
is this situation ruled a base hit in softball? There is a runner on third with one out and batter hits a ground ball to first baseman who opts to throw home before stepping on bag or tagging batter. The runner is safe at home and the batter is safe at first. Is the batter awarded a base hit and a RBI? <Q> In general, ...	If the first baseman threw wildly or the catcher dropped the throw, then you could credit an error instead of hit/RBI.
If a bowler's front foot is on the line and no part of the foot is behind the line, is it a fair delivery? If a bowler's front foot lands on the line and some part of the foot is outside the line and some part of the foot is on the line but no part of the foot is behind the line, is it a fair delivery? <Q> The way you ...	21.5 Fair delivery – the feetFor a delivery to be fair in respect of the feet, in the delivery stride 21.5.1 the bowler’s back foot must land within and not touching the return crease appertaining to his/her stated mode of delivery.
How do I memorize hand signals faster being called out as a play during football? I’m in high school football, currently playing as a wide receiver and corner. I was wondering what is an easy way to memorize plays. I have such a hard time doing this when the coaches end up calling the play or when they signal it with t...	Make a video of each hand signal and draw the play associated with each hand signal.
Are there any sports for which the world's best player is female? For this question I'm referring to sports in which men and women can compete together on equal terms (even if they often don't). For example, rock climbing would count (if they climb the same rock and are measured by the same metrics), while the hammer t...	Jasmin Paris must be one of the worlds best, she holds the outright course record for the Spine Race by a considerable margin and for several years held the outright record for the Ramsey round (both of which attract international competitors/attempts). Women seem to do well in very long-distance swimming.
Does calling 30-30 "deuce" in tennis affect the game scoring? As an IT guy I cannot avoid the observation that the states "30-30" and "40-40", "deuce", have the same outgoing transitions in the state machine "tennis game": From both scores a two point difference is necessary to win the game, and the state machine degen...	It'll change the statistics (sometimes, if you watch a match on television, you see something like "Deuce #9" if it's a particularly long game - your scoring method would add one extra to that count). A score of 30-30 has long been referred to as "30-30" or "30 all", but 40-40 has long been referred to as "Deuce".
Why do women walk around wearing bikinis in UFC conferences and during fights? During face-offs, conferences and during fights in UFC (and sometimes even in wrestling or boxing matches), it's often noticed that women walk around wearing bikinis around the octagon. Why is this the case? One might not notice this in a fo...	The scantily-clad women were meant to draw viewers in and create more of a Vegas-like spectacle out of the combat on display .
How to give 100% effort in sports I have the following problem. I play tennis if this is helpful, but i think this is more a psychology thing. I often do not play at 100% effort. This is in the training as well in the real game. All the time I play in the "energy-saving" mode, move the least amount to just to be able ...	Basically you want to play just at the level that allows you to edge out your opponent, but also able to take your game up another gear if required rather than playing flat out all the time.
What's the most number of players substituted at once in a soccer game? On June 24th 2020, Ole Gunnar Solskjær the manager of Manchester United made a quintuple substitution against Sheffield United. Manchester were leading 3 - 0 in the second half, and with the game in bag, Solskjær saw no reason to save a substitutio...	Mainz - Vallecano (17.07.2019, 11 subs at halftime; all Mainz) The record I've found so far: Liverpool - Sevilla with 20 subs at halftime (22.07.2019)
What non-toxic products can I use to keep my kitchen counters clean and safe? I'm wondering what kind of products I can use that are not dangerous to keep kitchen surfaces clean and safe. Should I get different products for different types surfaces (e.g. granite top vs. wooden cutting board)? Should I get differ...	In addition to Baking Soda and Lemon, as @Colby mentioned, I'd add that Vinegar will clean most everything; it is non-toxic and cheap.
How to determine whether hybrid cars are really more sustainable than traditional cars? I purchased a Prius many years ago, but many of my friends have put forth claims that the batteries are very toxic and thus I may in fact be creating more harm than good in using a hybrid and that hybrid's are a less sustainable sol...	So the short answer is to look at ' life-cycle assessment ' studies (LCA). So to determine whether hybrid cars are more sustainable than traditional cars, one would have to collect and assess all inputs and outputs during the entire life cycle of a hybrid car.
Does a compost pile for food scraps need some kind of starter material? When starting a compost pile from scratch for kitchen food scraps, do I need some kind of starter material? For example, should I take any material from an established composting pile to seed it with appropriate biological agents? If needed, is s...	It's not essential, but it will speed up the process initially if you use a good mix. Manure works really well in a compost pile that includes food scraps, as it provides thermophillic bacteria that like the stuff we eat.
What is a good way to produce drinking water? I want to make sure I have a sustainable water source for one household. If I have a source of reasonably safe water like rain water or ground water, how can I purify this water to a level that I will know is safe to drink? Do I filter it, and how do I make these filters...	Groundwater is the stablest source of clean drinking water and normally does not need any extra purification assuming the well is well placed and there are no pollutants nearby.
How to get rid of greenfly in roses and grapes without toxic chemicals? We lost all our roses last summer, due to greenfly. The only solution we have so far found was highly toxic. Are the more sustainable alternatives? <Q> Make your own Sticky Fly Traps using Tanglefoot’s Tangle-Trap Sticky Coating . <S> Easy to ma...	I've also read somewhere that lavender, thyme, sage or garlic plants planted between the roses may also help.
Biodegradable cleaners to remove mold? I've relocated to an apartment with considerable mold in a couple of closets and bathroom. Is there a way to remove this mold with a biodegradable solution? <Q> There are plenty of biodegradable anti-fungals. <S> For example, cetrimide is water-soluble, anti-fungal, anti-bacte...	I've used vinegar with great success to get mold out of clothes by soaking them in a 4:1 water: Isopropyl alcohol is recommended to be used on such surfaces.
Yeasts - Home production for alcoholic beverages / Baking / etc Yeasts are used to produce "alcoholic beverages" / beer / wine, to bake, yogurt/cheese, etc.... Going to a shop and buy some baker's yeast is easy but not a long term solution, at least the ones I know (and have access) have a short expiration date. In ...	Another source of yeast for homebrewing is simply using a starter.
Impact of various travelling options Are there any objective resources to estimate the ecological impact of various travel alternatives? Sites like Bahn.de offer to calculate it, but they obviously favour trains. I've asked a question on ferries on Travel SE , but didn't get a complete answer taking everything into ...	Of course there are a lot of websites which allow you to calculate the impact of - for example - travelling by plane or by car.
How can consumers persuade manufacturers to make their products more sustainable? How can we, as consumers, persuade manufacturers to make their products more sustainable? The only things I've come up with (and try to do myself) Buy the most sustainable version of products. The idea is that if enough people do this,...	Barring a few conscious ones, producers are generally interested in money, and with such a huge population and market, they will always find customers who do not care about environment.
Estimating the cost of solar panels and return time? I'm interested in installing a solar array on my property, and am trying to find tools that can help me do a cost analysis so I can optimize my budget and see how long it will take to balance the upfront cost. Are there any tools available to help me with these calc...	If you are in the U.S. in particular, I would recommend the National Renewable Energy Laboratory's PVWatts calculator , which will provide both likely solar gain (the defaults are reasonable, but you can tweak them to your situation) and potential savings on electricity.
What can I grow for chicken food? I live in the northeast US, with relatively cold winters (USDA zone 5, about -15°F ) and a short growing season (about 90 days frost-free; snow possible October through April). I have a small flock (less than 30) of chickens for eggs, and raise a batch of chickens (less than 30) for m...	Small grains like wheat or oats are a lot more work to harvest and require grinding, but could be stored for long periods. They love corn and noodles, even raw. You should really try to allow them to roam free and forage for themselves Something like mulberry Jerusalem artichokes seem like a possibility.
How can I seal a pond without using a plastic pond liner? I'd like to create a pond in a wet spot in my yard so that I can plant some beneficial water plants and possibly attract frogs and toads to help control pests. Is it possible to seal the pond so that it consistently and naturally holds water with out using a pl...	You can seal a pond by putting pigs in it.
Better to get a kombucha Mother from friend or buy from a catalogue? I am looking to get started with creating my own kombucha. Is there any risk with getting a seed mother from a friend, or is it best to buy from an online store? <Q> There is very low risk getting a mother from a friend and there are a lot of positive...	Some people, and I appreciate this isn't a mainstream thought, are of the opinion that you shouldn't ever buy a mother or something like Keifer grains because the organisms are so prolific that its offensive the the energy of the organism to get money for something it obviously wants to share. The nice thing about gett...
What reuses are there for surplus building materials? I am remodeling a room in my house and have a bunch of material that may end up in the garbage. I would be throwing away carpet, plaster and planks, trim and etc. I would like to not throw this stuff away if there is any clever/ helpful use for it. Does anyone ...	Drywall & plaster can be broken up and used as a soil amendment.
Can I recycle plastics at home by melting and molding? I would like to know if it is possible to recycle plastic at home by melting and molding. Is it at all possible? What technique or technology do I need? Can it be done with any plastic? Are there health hazards associated to this activity? <Q> I would like to kno...	Depending on the type of reshaping you are interested in, you can do basic crafts with the right kind of plastic by simply using a hairblower to heat them up and bending them into shape.
Filtering indoor air with plants? I have a daughter that has bad allergies. To help keep her allergies in check I use an electrical air purifier to keep the air in my house clean and filtered. I heard that houseplants could in effect do the same thing. If that is true are certain plants better for cleaning the air...	Almost any plant will pick up particulates on its leaves (as permaculturists will tell you this is actually one of the functions of a leaf)
Is it better to recycle or compost brown paper bags? When you go to the grocery store, you may get brown paper bags. These can be readily recycled, however, they could also be composted. I would think that recycling requires energy, whereas composting requires no energy other than that needed to stir the pile periodi...	It's much, much better to compost than to recycle, if you can.
Is it sustainable or necessary to use potable water to wash waste before recycling? I live in a major metropolitan area in the United States, and we have a municipal recycling pick-up program. They advise us to wash food containers prior to putting them in our bins, and if an item takes "too much water" to wash, that ...	My gut reply would be to not wash the containers.
What are the key principles for designing a rocket stove? I have some spare bricks lying around that I'm interested in using to build a rocket stove for cooking. What are the key principles I need to understand to build a rocket stove? Is there a maximum or minimum size? Does it matter how tall should the chimney par...	The basic principle is this: use the draft created by hot exhaust in a chimney to suck lots of fresh air in to the fire. You asked about principles, and one is that the bend to the chimney should be sharp, not a gentle curve.
Is there a difference in insulation to keep heat in or out? I know that one of the best ways to save energy at home is insulation. The question is, is there a different method for keeping the heat in when it's cold and keeping the heat out when it's warm? I know that there is a lot to be done with shade/sunlight and s...	One related difference between keeping heat in or out relates to the climate - it's temperature and humidity .
How can I decarbonise my domestic heating, given severe physical constraints? tl;dr : For the millions of dwellings that have significant physical constraints imposed by the physical fabric of the building, its configuration and location, that rule out heat pumps, biomass and solar thermal, how can we decarbonise our ...	I don't think I'll ever understand people's carbon fixation, but if your electric supplier is selectable surely in the UK there is an renewable electricity supplier, buy only from them, replace the gas boiler with an electric and voila! The best way of doing that is fixing the fabric of the house - massively increasing...
Which is more sustainable: aluminium can, plastic bottle or glass bottle? I was wondering which drink container is the most sustainable one, when looking at the big picture (complete life cycle analysis). So far, I can see the few following points: Transport : plastic and aluminium are lighter than glass, and they c...	I would think reuse of glass bottles would be the most sustainable.
Sustainably raising home-grown meat in a city? Where I currently live there aren't many restrictions on types of animals one can raise for food in the city. I don't think I could practically have cattle, but smaller animals are not a problem. Leaving aside questions of zoning laws and the like, what sorts of animal...	Rabbit food is relatively inexpensive and a small herd can reproduce and grow fast enough to supplement a good portion the meat needs of a small family.
Forcing water circulation in solar hot water installation I'm planning an installation for heating water using solar "exchanger" panels (solar used to heat water directly, not through electricity). I don't want to bind the reservoir, panel and tap locations to the natural circulation cycle though (hot water traveling u...	The simplest solution is a small electric motor to drive the water pump.
What is a permaculture solution for dealing with deer in a suburban environment? The old problem of the deer moving into the city. My neighborhood is overrun. So far the best solution I've seen to keep them at bay is fences or hedges. The true permaculture solution would be to simply grow enough that the deer can ea...	Grow "deer resistant" plants. Surely the most natural solution would be for the human population to reduce the deer population by eating them.
Non toxic insect(ant) repellent for use in the kitchen I have an ant problem in my house, specially in the kitchen, where they seem to have taken over. Just found out that they have cut through the plastic packaging of some food items and gotten inside. Is there a non-toxic pesticide or repellent I could use to drive t...	I used un-fresh lemon and squeezed its juice into spray-can containing water and sprayed it on ants. I would suggest baking soda.
How are pollution and sustainability related? In discussing "green" policies, the words "sustainability" and "pollution" are occasionally mixed together, as if they were antonyms. My gut feeling is that something that is polluting is by definition not sustainable, but I don't have a very clear view over the definitions...	What is unsustainable is unmanageable amounts of pollutants.
What to do with an old vehicle? I have a 1975 Ford F-350. It gets 6 miles per gallon. I don't use it any more. If it was fuel-efficient, I think I should get it in to someone else's driveway, so it can reduce the demand on new vehicles. But at 6mpg, that may not be the right choice. I could sell it, take it to a junk...	To increase reuse, one might take off and sell (eBay, Craigslist) or give away (Craigslist, Freecycle) I would bother with reusing if the vehicle is in, or can be brought to, a good mechanical condition. Unless the vehicle is really in the mint condition, it would be more of a hobby project for wrenching fun and enviro...
Storing food without refrigerator during the winter I am unplugging my refrigerator for the winter months, I live in the northern United States so the temperature is sub freezing most of the time during winter. I have a semi-insulated garage that is about 40 degrees F and am placing refrigerator items in a box there. F...	Frozen food itself is not in significant danger but you may need to watch for thaws. Food safety for unrefridgerated food is a very complex thing and the answer very much is "it depends."
How to get rid of fruit fly infestation in worm composting bin? My worm composting bin is infested with fruit flies. What can be done to get rid of the flies? <Q> Generally this comes from having an excess of "greens" rather than "browns" in the bin, and potentially too much moisture also. <S> When this has happened ...	stop over-feeding and let the compost dry if too wet vacuum the flies daily cover all the food scraps and put a layer of dry newspaper shred on top of the compost have a trap near the compost to catch some of the flies (yellow container with water + dish soap + sugar works for me, as yellow color and sugar attract flie...
Reusing buckets for flower pots? Is reusing old food buckets as flower pots actually a good sustainability practice or a bad one since I'm ruining good buckets by poking holes in the bottoms? I get the buckets for free from my brother's restaurant. They'd recycle them if I didn't take'em. <Q> It is certainly preferab...	I think the simple answer is that generally repurposing something and using what would otherwise be discarded (recycled or sent to a land fill) is usually good practice, particularly if it does not interfere with recycling later.
Mulching or "Mini Septic" for Solid Dog Waste? (I asked this on gardening.se but it was suggested I try asking it here. Hope this is an appropriate place to ask...) I'm a relatively new dog owner. Living in a relatively woodsy area with an acre of land. The dog poops. I feel odd bagging it and tossing it in the trash...	A simple technique you can use is to drop a handful of sawdust or peat moss on the poop, and let it compost in place.
How to recover water from washing machine for toilet In the last years I have been very concerned about the incredible waste of water from washing machine that could be easily used for toilet use, but up to now I have not found an easy way apart from filling some containers and manually lifting them for toilet use. Thi...	All you need to do is position a tank (herein called catchment tank), large enough for the wash water volume, above the height of the toilet tank with a downspout into the toilet tank inlet.
Most sustainable way to freshen air? Looking for some alternatives for air fresheners. I have been looking at various alternatives such as coffee grounds (possibly in a muslin bag), and the like. What works here? I would rather get away from the current mass-produced air freshioners that are currently used in cars a...	Consider using an antiseptic solution for cleaning , which will help kill the bacteria that can cause persistent odours from things such as absorbed sweat.
How can I find information on Ecovillages? Ecovillages are intentional communities with the goal of becoming more socially, economically and ecologically sustainable. Some aim for a population of 50–150 individuals. Larger ecovillages of up to 2,000 individuals exist as networks of smaller subcommunities to create ...	One way would just be to do a google search for 'Ecovillage' and then examine the websites you find.
What sustainable packaging can be used for meat in the freezer? When my family purchases meat from the supermarket, it comes on a non-recyclable plastic foam tray with plastic cling wrap over the top. We can improve on this by purchasing meat elsewhere. However, we often remove purchased meat from its packaging and cl...	You could buy ready-made leather storage bags like A better option may be to use reusable plastic containers. How about using containers like milk cartons which are wax coated.
(Non-compost) uses for egg-shells? Like many families, we eat eggs and this produces egg shells. While I am aware that composting is a possibility I am wondering if there are other things we can do with them. We are not raising chickens of our own yet so feeding them back to chickens is not a possibility. We do howe...	Egg shells can be used as a calcium suppliment for humans. You can grind them in a coffee grinder, or with a mortar and pestle, then mix the powder with other foods. Grind them coarsely, and use them as slug barriers, or just mix into the garden soil.
How effective is turning a car's engine off while standing at a traffic light? I know some countries enforce having cars automatically shut down the engine when stopping at a traffic light. How much resources are really saved by this process? Does the car need to be designed differently to make this effective? F...	Idling negatively affects the engine internals due to incomplete combustion (glazing of the combustion chamber, fouling of the spark plugs) which further decreases fuel efficiency for all other regimes of operation.
Alternatives to dry cleaning A friend recently spilled beer on my dry-clean only flat cap . As I was picking up the cap from the dry-cleaner, it occurred to me I should have looked first for a more environmentally-friendly alternative. What such alternatives exist? <Q> Actions like those below are always YMMV / Cave...	In the case of beer, it is likely that "drycleaning" with water would work as well as most other things. Since the comment mentions wool, the single best way to care for wool is to spot-clean by hand.
Gas/cooling strategies for reducing fuel consumption while driving: air conditioner vs windows Looking at gas milage and air conditioner use, it seems to me I get a significantly better gas milage when I don't use the air conditioner. However, if I roll down the windows, I assume this increases aerodynamic drag. Unde...	If the air temperature is reasonably cool, and you're not following a truck belching out stinky fumes, open windows the minimum amount necessary for comfort
Are pizza cardboards stained with oil still recyclable? I was told some months ago that paper and cardboard recycling processes need clean raw material. In particular, paper stained with oil may be inappropriate to recycle, and should rather be thrown away. Where I live we separate our waste between: glass paper, c...	Our local recycling center now takes food-soiled paper products for use in their composting program. Once soiled, the paper cannot be recycled because the paper fibers will not be able to be separated from the oils during the pulping process.
Getting rid of label glue I up-cycled a glass liquor bottle into a drinking glass (by means of scoring, heat-shocking, and polishing). What I'm left with is a lovely glass with some very stubborn label glue on it. How can I get rid of the glue? Big bonus points for something that doesn't involve nasty chemicals. <Q>...	Put one or two drops on the glue residue and rub with, say, a paper towel for a few seconds, and the glue should start to come off. Boiling water wasn't enough, but heating with a flame seems to do the trick. The best solvent I have ever found for stubborn materials is (surprisingly) "NZ tea tree oil" .
Reusable alternatives to bulk and produce bags at the supermarket Using the reusable bags at the shop check-out is well-known, and is getting wider acceptance. Also, some details were already discussed here before . However, what to do with transparent plastic bags supermarkets provide in their bulk foods and produce ...	For powders you could use glass jars if your grocery has scales that can be tared.
Which tree consumes most carbon dioxide and poisonous gases? I want to suggest to a gardener to plant trees for reducing pollution and poisonous gases emitted from a factory. Which species is preferable to plant in the area around the factory? <Q> I was curious about which trees absorb the most CO2 and Googled for this...	Bamboo is an excellent "growth" plant in terms of CO2 absorption as well as allowing pollutants to biodegrade within the lower level detritus.
Uses for fish bones? We eat fish. I know some small fish bones are fried and eaten as food in some parts of the world, and they can be composted for mineral content. I do compost some already, but we don’t have that much space for composting and we do have to worry about rats so not much cooked food goes out that way...	In Japan, there are several uses for fish bones (with some meat left on them).
What is the least environmentally damaging way to start a fire? I'm used to burning matches to ignite my incense. What is the least environmentally damaging way to start a fire ? to use matches or a lighter ? something else ? Of course a lighter would use natural gas (butane or propane) and consume plastics - I don't...	The lighter is used only for starting a fire, with the fire itself using some other fuels like wood, that are ideally sustainable and renewable.
How to protect plant from insects? Here in the place plants are infected with the insects surrounding it and it affects the leaves and root too so decrease the life of plants.So I want to know how to prevent this. Please suggest an idea. <Q> The typical Permaculture approach is to cultivate habitat for animals that wil...	Here are some ways you can help protect your plants from insects: Fertilize and water your plants regularly.
Is it true that if you have a thermostat, then there is no such thing as 'waste heat' Consider a situation in which I live in a fairly cold climate, and I like my house kept at, say, 17 degrees. I have a heating system in my house that produces more or less heat depending on the current temperature in the house. In...	If you have a thermostat, there can still be such a thing as waste heat.
Does waste in public recycle bins (almost) always get recycled? Dumping recyclable cups (when you forgot your own, or it's dirty) in the public recycle bins seems like an easy decision. But, I've noticed that the recycle bins at places like Starbucks are absolutely stocked with normal trash. I watch people dump their...	If a business contracts with a recycling company for on-site pick-up, you can be sure that uncontaminated loads will be recycled.
What are useful uses for orange peel? Lately, I'm getting more or less addicted to oranges and I'm collection way too much orange peel compared to what my starting compost heap can handle.. Is there something I do with it, other than throwing it in the garbage can?I read about using an dehydrator to dry the peel and us...	Drying the peels and adding them to flavour your black tea, for example, is another option.
What are the larger-scale options for storing rainwater? This question is asked in the spirit of "I don't know what I don't know". I have three raised-bed gardens, and I'd like to stop watering them with municipal water and start using collected rain. Can a [ahem] garden-variety rain barrel supply an adequate amount...	If well is not a viable option, commercial rain water gathering systems with e.g. underground tanks do a good job.
What is the role of social websites (such as Facebook) in Sustainable Living? We spend lots of resources and time on social networking websites from all over the world. How we justify social networking sites are brings people, society together? Are there net gain or net loss? <Q> (If I have understood your question pro...	The major role of Social Networking sites in the sustainable living is: Spreading awareness about the environmental problems that we are facing today.
Is the metal use per person rising? Has the metal 'consumption' of consumers risen over the last, say 30 years (arbitrarily chosen number - anything on a similar scale would be interesting). I'm interested in both the amount that is 'held' (this laptop, my knives and forks), and the amount that is thrown away/recycle...	The United Nations Environment Programme published a report on Recycling Rates of Metals in 2011, which gives estimated global recycling rates.
What is the sustainable house insulation suitable for a very hot climate? In my country the maximum temperature reaches to 50 degree Celsius. Normally it is a dry weather but only for two months, July and August very humid. On the other hand, in winter it is very cold for only two months December and January, when it g...	There's a couple other good solutions to this problem: Window coverings, that you manually pull down when the outside air is less comfortable than the air inside ( i.e. in the hot summer, you keep coverings closed in the day, and in the cold winter, you keep them closed at night, and vice versa).
Want to build a portable solar refrigerator I've got a 5v Peltier chip. What kind of and how many solar cells 4.5v 18mA do I need per 1 chip? I found these cells online on dealextreme, but there are also other different types. I'm lacking a basic knowledge in electronics, so I'd like to get an advise on how you make th...	In theory, if the panels were running at 100% of rated capacity and could be arranged to power that cooler directly, you'd need about 800 of them (65W/0.018W=802).
How to store plastic bags for easy access? I bring some plastic bags to my flat almost everyday. I do not throw them out, instead I reuse them on a daily basis until they wear out. But I have a problem organising them and I am yet to find a way to store them efficiently. What I mean by effective? I want constant in...	We bring all our food bags to one drawer, rolled & stored in emptied boxes of that type (marked for re-use) or in marked tubes.
How can I build a spinning wheel? I have a large wolf-dog hybrid who sheds, a lot! I have to brush him every day. A friend came by, saw the massive amount of fur he's shedding and remarked that it would be great for spinning into yarn. I looked into it and the cheapest spinning wheels I could find were $225 and made ...	The Budget Wheel, seemingly derived from the Dodeca, with a circular wheel, is available on etsy.
Is it practical to use an infrared space heater along with a heat pump system? We live in a house that has a heat pump system, for AC and heat, with a second-stage heating coil for aux/emergency heat. It frequently gets down to below 30 degrees in our climate, at which point the heat pump is essentially ineffective an...	For instance, it could be that the central heating's coil heater runs on a cheaper rate per unit of electricity than a heater plugged into a wall socket.
How to build a waterfall powered electric generator? Want to build one of those old-style water wheels powered by a waterfall. Is there a more efficient way than the ones that were around since the start of the industrial revolution? <Q> I guess it depends on what you mean by "better". <S> The drawbacks are that the ...	The traditional way needs a pipe, the penstock , feeding as much clean water as possible from as high as possible directly onto a pelton turbine , which is connected to a generator. As for the generator, scavenging a permanent magnet DC motor off an old treadmill is a good start.
How to buy an ecofriendly printer that accepts refilled cartridges? I have a HP Deskjet printer that does not allow me to use refilled cartridges, therefore every time it runs out of ink I need to buy a new cartridge, which implies a lot of waste. I would like to know how to buy a printer that does not present this is...	There are some printers which are compatible with a Continuous Ink System .
Can chip tuning make a car more fuel-effective? I'm considering to have my car engine chip tuned. I'd like to increase the fuel efficiency of the engine. Increasing the power of the engine would be only a secondary advantage of doing so. Most of the chip tuning companies in my country offer tuning for max power or for ...	The most popular is to offer power upgrades, usually at the expense of fuel economy, for example improving fuel/air/compression balance at low speeds for high acceleration, or altering tuning at high revs to increase top speed.
Are pine needles poisonous to goats? I'm finding seemingly contradictory information with a normal search (forums). Many sources say that their own goats love pine needles and there's nothing wrong with letting them eat them. Occasionally somebody jumps in to say that pine needles can cause a miscarriage in bred does...	Pine needles, tips, or bark do not cause abortions in goats but are potentially toxic…"
Offsetting with Solar, over what period do you measure the carbon offset I'm looking to offset the carbon footprint of my wedding. I'd like to do it by helping out some local community solar projects. I've calculated that the wedding's footprint will be about 23,000 kg of CO 2 , and that this would be offset by about...	Since sustainability is a long term issue, it would be best to put the money in a project which you can follow over time. If you wanted it just to come out net zero addition of greenhouse gases to the atmosphere, over the PV's whole lifetime, then reckon on 20 years if it's monocrystalline. I generally use a timeframe ...
What is the most efficient way to deal with electronic waste? What is the most efficient way to deal with electronic waste like old computers, TVs, etc? More specifically, I have some old CDs and DVDs. I don't want to just dump them. What should I do with these old CDs, DVDs, and ancient floppy disks? <Q> If you're wi...	For old TVs: In the UK at least, some charity shops take old flat screens (mostly the larger charities such as British Heart Foundation that have "furniture stores", as they have the resources to safety test electrical goods). You can make hand-spinning spindles from them and use them to learn how to hand-spin fibers, ...
Freezing Bananas With Less Waste My wife likes to freeze bananas by removing their skin, wrapping them in aluminum foil, and placing them in the freezer. She eats a couple of bananas per day. So, this is using up a lot of aluminum foil. She tries to reuse the foil as much as possible. But, they get easily ripped af...	I freeze bananas in a plastic container, which I wash and reuse. I simply freeze them, they don't need a container if you're going to eat them soonish (within a month, perhaps).
Permaculture and crop rotation? In designing an allotment to fit in with permaculture principles how does crop rotation work with the 7 levels especially since canopy and sub canopy plants tend to be trees/shrubs. Should one not rotate crops at all ? Is it that when planting vegetables, the densities are so low and th...	The reason to practice crop rotation, and that basically means avoiding planting the same plants (or same family of plants) in the same location, is for pest and disease avoidance.
Should solar panels be installed before or after re-shingling the roof? My roof will likely need new shingles within the next few years. Should I consider getting solar panels installed now, or should I wait until after the roof is taken care of? <Q> It looks to me like you have three choices: <S> Re-roof your prop...	Buy and install your solar panels now, then in a few years remove all of the solar panels, re-roof your property and re-fit the panels.
How can I estimate the gas usage of a pilot light? Can anyone provide a method to estimate the gas flow rate to sustain a pilot light, using just the apparent size (flame width and length) and reasonable assumptions for things like gas line pressure? Note that we have our gas (propane) delivered, not continuously mete...	If you know the pressure of your propane in the line and can measure the width of your pilot orifice.
What is a feasible method to recycle parts of a broken laptop? Laptops are ubiquitous, but like most consumer electronics, they have a failing - they quite simply, fail. The 'normal' thing to do, is to take the memory out and simply throw out the rest - I find this notion horribly wasteful. From experience, when I ha...	Batteries, lasers from optical drives, sensors, lenses, and other components may be retrievable for re-use or remanufacturing. For sustainable recycling, look for a recycler who uses a demanufacturing process, rather than a shredding process. If you personally can't fix it (or have it fixed somewhere cheaply), only the...
Alternative to paper towels for draining fried food? When frying food, what's a good alternative to paper towels for soaking up/draining excess oil? <Q> Personally I use a wire rack over a cookie sheet to drain fried or greasy foods. <S> The oil drips to the pan below and I can pour the oil into a container or dispose ...	I have not found much of an alternative to paper towels, but you could at least try the following: Drain food that has been deep fried on a wire rack. Use woven/organic undyed cloth piece, and then wash it along with other clothes.
What area is needed to grow enough food to sustain a person for a year? I was wondering, what area space (m²) do I need to plant rice/bean in order to sustain one person for a year? <Q> In How to Grow More Vegetables , John Jeavons claims you can sustain one person on 4,000 sf (372 m²), with 60% of that space dedicate...	Jon Seymour, in his book The Complete Book of Self-Sufficiency , mentions that 5 acres (about 2 hectares) of good quality, well drained land could sustain a family of 6 persons.
Where should I place food in a worm farm? I've tried searching and looking at videos on youtube but all I can find is people storing and preparing food scraps but none of people actually placing food in the worm farm. I'm wondering if worms will eat the scraps quicker if I dig the scraps in a few inches, but I am also...	Burying food is similar to creating pockets, but in this case more food is exposed to microbes That being said I think it depends on how you've processed the scraps.
Can you recycle single serve coffee pods like K-Cups? Are they recyclable at all? can you pull them apart and recycle parts of them?Are there recyclable alternatives? Many offices including mine are using these to brew coffee in the USA. I personally use a Clever Dripper at work. Which I can pour hot water over ste...	Yes, there is a recyclable answer, it is called the iFill Cup, it is all polypropylene (PP, #5 plastic, all recyclable including the filter). It's probably more sustainable to get your coffee from a coffee shop, in no small part because they have a proper espresso machine into which only coffee grounds go into and come...
What does it take to stop the use of plastic bags in big grocery stores? Many people do their weekly groceries at large supermarkets and consume a lot of plastic bags. However, given the fact that I already know that I am going to buy a-week worth of food and supplies what can I do to avoid plastic bags? <Q> Some count...	So, one way to solve the problem on a large scale is for the government of a country to introduce a tax on plastic shopping bags.

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