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1,945 | President Donald Trump sent a video message to Belgian citizens criticizing their government for being part of the Paris Climate Change Agreement. | majority support plurality support majority oppose plurality oppose On June 1, 2017, Donald Trump announced that the United States would withdraw from the Paris Agreement on climate change. | 2NOT_ENOUGH_INFO | Opinion polling on the Donald Trump administration |
905 | “Some experts, such as UN climate scientist Dr. Indur Goklany, have defended rising CO2 levels as a good thing for humanity. | In an op-ed for The New York Times, he wrote, "Ironically, much of the hysteria over global warming is itself fueled by concerns that it may drive numerous species to extinction and increase hunger worldwide, especially in developing countries. | 2NOT_ENOUGH_INFO | Indur M. Goklany |
1,577 | Over 31,000 scientists signed the OISM Petition Project. | Robinson asserted in 2008 that the petition has over 31,000 signatories, with 9,000 of these holding a PhD degree. | 0SUPPORTS | Art Robinson |
3,032 | Consequently, CO2 levels at around 1,000 to 2,300 ppm were actually low enough to promote glaciation in the southern continent of Gondwana. | Decreasing CO 2 concentration, with a tipping point of 600 ppm, was the primary agent forcing Antarctic glaciation. | 2NOT_ENOUGH_INFO | Carbon dioxide in Earth's atmosphere |
1,776 | If anyone claims to be part of the 97 percent, it means they disagree with the contrarian argument that humans are having a minimal impact on global warming. | Among papers expressing a position on AGW, an overwhelming percentage (97.2% based on self-ratings, 97.1% based on abstract ratings) endorses the scientific consensus on AGW. | 2NOT_ENOUGH_INFO | Climate change denial |
3,011 | A South African paper has found a 21 year cycle synchronous with the solar cycle (Alexander 2007). | Orbital forcing from cycles in the earth's orbit around the sun has, for the past 2,000 years, caused a long-term northern hemisphere cooling trend that continued through the Middle Ages and the Little Ice Age. | 2NOT_ENOUGH_INFO | Little Ice Age |
1,425 | Each year sees the disappearance of thousands of plant and animal species which we will never know, which our children will never see, because they have been lost for ever. | In June 2019, one million species of plants and animals were at risk of extinction. | 0SUPPORTS | Extinction |
2,707 | The full data for latitudes 64-90°N reveal the Arctic is warmer today than in 1940. | The Arctic is affected by current global warming, leading to Arctic sea ice shrinkage, diminished ice in the Greenland ice sheet, and Arctic methane release as the permafrost thaws. | 0SUPPORTS | Arctic |
2,427 | By that time CO2 emissions had already risen from the expanded use of coal that had powered the industrial revolution, and emissions only increased slowly from 3.5gigatonnes in 1910 to under 4gigatonnes by the end of the Second World War. | Global annual mean CO 2 concentration has increased by more than 45% since the start of the Industrial Revolution, from 280 ppm during the 10,000 years up to the mid-18th century to 415 ppm as of May 2019. | 0SUPPORTS | Carbon dioxide in Earth's atmosphere |
2,330 | Arctic sea ice has been retreating over the past 30 years. | "What drove the dramatic arctic sea ice retreat during summer 2007?". | 2NOT_ENOUGH_INFO | Global warming |
917 | Because the collapse of vulnerable parts of the ice sheet could raise the sea level dramatically, the continued existence of the world’s great coastal cities — Miami, New York, Shanghai and many more — is tied to Antarctica’s fate. | The world's largest potential source of sea level rise is the East Antarctic Ice Sheet, which holds enough ice to raise global sea levels by 53.3 m (175 ft). | 0SUPPORTS | Sea level rise |
1,377 | there has been no increase in frequency or intensity of storms, floods or droughts, while deaths attributed to such natural disasters have never been fewer | Gross increases are mostly attributed to increased population and property values in vulnerable coastal areas; though there was also an increase in frequency of weather-related events like heavy rainfalls since the 1950s. | 2NOT_ENOUGH_INFO | Effects of global warming on humans |
1,317 | “…climate change will also reduce the number of cold days and cold spells. | Future climate change will include more very hot days and fewer very cold days. | 0SUPPORTS | Effects of global warming |
2,068 | Global warming responsible for record 2019 July warmth in Alaska. | Surface temperature increases are greatest in the Arctic, which has contributed to the retreat of glaciers, permafrost, and sea ice. | 0SUPPORTS | Global warming |
2,447 | The main reason behind this mid-century cooling was global dimming due to anthropogenic sulfate aerosol emissions. | Global dimming is thought to have been caused by an increase in particulates or aerosols, such as sulfate aerosols in the atmosphere due to human action. | 2NOT_ENOUGH_INFO | Global dimming |
3,099 | "The IPCC’s Fourth Assessment Report, 2007, carries in three places a graph in which the Hadley Center’s global mean surface temperature anomaly dataset from 1850-2005 is displayed with four arbitrarily-chosen trend-lines overlaid upon it. | The IPCC Fourth Assessment Report (AR4) published in 2007 featured a graph showing 12 proxy based temperature reconstructions, including the three highlighted in the 2001 Third Assessment Report (TAR); Mann, Bradley & Hughes 1999 as before, Jones et al. | 0SUPPORTS | Intergovernmental Panel on Climate Change |
1,944 | Over the past eight years, the United States has reduced our total carbon pollution more than any other nation on Earth. | In the cumulative emissions between 1850 and 2007, the U.S. was at the top in terms of all world nations, involved with 28.8% of the world's total. | 1REFUTES | Climate change in the United States |
2,521 | The atmosphere of the Earth is less able to absorb shortwave radiation from the Sun than thermal radiation coming from the surface. | Sunlight on the surface of Earth is attenuated by Earth's atmosphere, so that less power arrives at the surface (closer to 1,000 W/m2) in clear conditions when the Sun is near the zenith. | 0SUPPORTS | Sun |
2,217 | Numerous studies into the effect of urban heat island effect and microsite influences find they have negligible effect on long-term trends, particularly when averaged over large regions. | While some lines of research did not detect a significant impact, other studies have concluded that heat islands can have measurable effects on climate phenomena at the global scale. | 2NOT_ENOUGH_INFO | Urban heat island |
1,038 | (Multiplying .95 by itself 15 times yields 46.3 percent.)” | For example, assuming reinvestment, the cumulative return for annual returns: 50%, -20%, 30% and -40% is: ( 1 + 0.50 ) ( 1 − 0.20 ) ( 1 + 0.30 ) ( 1 − 0.40 ) − 1 = − 0.0640 = − 6.40 % {\displaystyle (1+0.50)(1-0.20)(1+0.30)(1-0.40)-1=-0.0640=-6.40\%} and the geometric average is: ( 1 + 0.50 ) ( 1 − 0.20 ) ( 1 + 0.30 ) ( 1 − 0.40 ) 4 − 1 = − 0.0164 = − 1.64 % {\displaystyle {\sqrt[{4}]{(1+0.50)(1-0.20)(1+0.30)(1-0.40)}}-1=-0.0164=-1.64\%} which is equal to the annualized cumulative return: 1 − 0.0640 4 − 1 = − 0.0164 {\displaystyle {\sqrt[{4}]{1-0.0640}}-1=-0.0164} In the presence of external flows, such as cash or securities moving into or out of the portfolio, the return should be calculated by compensating for these movements. | 2NOT_ENOUGH_INFO | Rate of return |
1,075 | “At the bottom of the world, sea ice is also at all-time record low levels around Antarctica, the data center said. | Arctic sea ice extent ice hit an all-time low in September 2012, when the ice was determined to cover only 24% of the Arctic Ocean, offsetting the previous low of 29% in 2007. | 2NOT_ENOUGH_INFO | Sea ice |
1,453 | Not only was 2016 the warmest year on record, but eight of the 12 months that make up the year — from January through September, with the exception of June — were the warmest on record for those respective months. | The coldest month of the year is January, with an average temperature of 31 °F (−0.6 °C). | 2NOT_ENOUGH_INFO | Kansas City, Missouri |
851 | The last time the planet was even four degrees warmer, Peter Brannen points out in The Ends of the World, his new history of the planet’s major extinction events, the oceans were hundreds of feet higher. | The Ordovician saw the highest sea levels of the Paleozoic, and the low relief of the continents led to many shelf deposits being formed under hundreds of metres of water. | 2NOT_ENOUGH_INFO | Ordovician |
164 | Small increases in average temperature translate to big increases in the number of extremely hot days, and those hot days have a big impact. | Future climate change will include more very hot days and fewer very cold days. | 2NOT_ENOUGH_INFO | Effects of global warming |
1,876 | During "the recent global warming summit in Copenhagen, Nancy Pelosi and others stayed at a five-star hotel on a trip costing nearly $10,000 per person." | The document was subtitled as "The Copenhagen Agreement" and proposes measures to keep average global temperature rises to two degrees Celsius above pre-industrial levels. | 2NOT_ENOUGH_INFO | 2009 United Nations Climate Change Conference |
494 | The Massachusetts Bay Colony in 1635 experienced a Category 3 or 4 storm, with up to a 20-foot storm surge. | August 28, 1949, a category-4 hurricane struck West Palm Beach with maximum sustained winds of 150 mph (240 km/h), causing considerable damage. | 2NOT_ENOUGH_INFO | Palm Beach County, Florida |
1,362 | Forget what global warming activists would lead you to believe—2015 was not even close to the hottest year on record. | Global warming is the long-term rise in the average temperature of the Earth's climate system. | 2NOT_ENOUGH_INFO | Global warming |
1,202 | The discrepancy between model-predicted warming and (lower) real-world observations has inspired new respect for natural climate variability relative to greenhouse-gas forcing. | Models indicate that solar and volcanic forcings can explain periods of relative warmth and cold between AD 1000 and 1900, but human-induced forcings are needed to reproduce the late-20th century warming. | 2NOT_ENOUGH_INFO | Attribution of recent climate change |
2,733 | A number of independent studies using near-global satellite data find positive feedback and high climate sensitivity. | Models not only project different future temperature with different emissions of greenhouse gases, but also do not fully agree on the strength of different feedbacks on climate sensitivity and the amount of inertia of the system. | 2NOT_ENOUGH_INFO | Global warming |
250 | CO2 is not powerful in that sense, the only thing it does in the system is make the planet greener. | Big cities were created as power images of a competitive society, conscious of its achievement potential. | 2NOT_ENOUGH_INFO | City |
2,276 | It is unclear whether global warming is increasing hurricane frequency but there is increasing evidence that warming increases hurricane intensity. | more intense droughts and tropical cyclones) are more uncertain. | 2NOT_ENOUGH_INFO | Effects of global warming |
306 | There is no statistical evidence that global warming is intensifying[…] droughts | more intense droughts and tropical cyclones) are more uncertain. | 2NOT_ENOUGH_INFO | Effects of global warming |
859 | By 2080, without dramatic reductions in emissions, southern Europe will be in permanent extreme drought, much worse than the American dust bowl ever was. | A drought in the 1930s known as the Dust Bowl affected 50 million acres of farmland in the central United States. | 2NOT_ENOUGH_INFO | Severe weather |
3,017 | Some of the regions in which GRACE claims ice loss in East Antarctica average colder than -30°C during the summer, and never, ever get above freezing. | East Antarctica is generally higher than West Antarctica, and is considered the coldest place on Earth. | 2NOT_ENOUGH_INFO | East Antarctica |
2,303 | However, weather imposes its own dramatic ups and downs over the long term trend. | In some situations, the temperature actually increases with height. | 2NOT_ENOUGH_INFO | Weather |
1,845 | Alaska Sen. Mark Begich "is on record supporting a carbon tax, even pushing Harry Reid to make it a priority." | "Democratic Senator Introduces Bill To Lift Social Security's Tax Cap, Extend Its Solvency For Decades". | 2NOT_ENOUGH_INFO | Mark Begich |
2,030 | Opponents of climate action are getting twice as much airtime as proponents of climate action. | The British press also changed its coverage at the end of 1988, following a speech by Margaret Thatcher to the Royal Society advocating action against human-induced climate change. | 2NOT_ENOUGH_INFO | Global warming controversy |
1,638 | Worry about global warming impacts in the next 100 years, not an ice age in over 10,000 years. | Global anthropogenic greenhouse gas emissions in 2010 were equivalent to 49 billion tonnes of carbon dioxide (using the most recent global warming potentials over 100 years from the AR5 report). | 2NOT_ENOUGH_INFO | Global warming |
1,477 | Human-produced carbon might be one of the factors of climate change, but there’s simply no evidence that it is a significant one. | European Science Foundation in a 2007 position paper states: There is now convincing evidence that since the industrial revolution, human activities, resulting in increasing concentrations of greenhouse gases have become a major agent of climate change ... On-going and increased efforts to mitigate climate change through reduction in greenhouse gases are therefore crucial. | 1REFUTES | Scientific consensus on climate change |
2,773 | Tree-ring proxy reconstructions are reliable before 1960, tracking closely with the instrumental record and other independent proxies. | The temperature record of the past 1,000 years or longer is reconstructed using data from climate proxy records in conjunction with the modern instrumental temperature record which only covers the last 150 years at a global scale. | 2NOT_ENOUGH_INFO | Temperature record of the past 1000 years |
2,774 | Actual reconstructions "diverge" from the instrumental series in the last part of 20th century. | Early quantitative reconstructions were published in the 1980s. | 2NOT_ENOUGH_INFO | Hockey stick controversy |
1,425 | Each year sees the disappearance of thousands of plant and animal species which we will never know, which our children will never see, because they have been lost for ever. | Worst of all, we have driven the rate of biological extinction, the permanent loss of species, up several hundred times beyond its historical levels, and are threatened with the loss of a majority of all species by the end of the 21st century." | 0SUPPORTS | Human overpopulation |
200 | if we halved today’s atmospheric carbon dioxide content, all life would die. | For contrast, today the carbon dioxide levels are at 400 ppm or 0.04%. | 2NOT_ENOUGH_INFO | Eocene |
520 | Just 1.25 per cent of the carbon dioxide in the atmosphere-ocean system has been released by humans in the past 250 years. | Human activities emit about 29 billion tons of carbon dioxide per year, while volcanoes emit between 0.2 and 0.3 billion tons. | 2NOT_ENOUGH_INFO | Carbon dioxide |
2,744 | Dropped stations show more warming than kept stations. | Another peer-reviewed study suggested that using wind turbines to meet 10 percent of global energy demand in 2100 could actually have a warming effect, causing temperatures to rise by 1 °C (1.8 °F) in the regions on land where the wind farms are installed, including a smaller increase in areas beyond those regions. | 0SUPPORTS | Environmental impact of wind power |
559 | And there is a lot of evidence that climate change is diminishing biodiversity, which can be seen in these alpine meadows as well. | Increased temperatures may allow herbivores to expand further into alpine regions, significant impacting the composition of alpine herbfields. | 0SUPPORTS | Effects of climate change on plant biodiversity |
240 | In 1990 the United Nation’s Intergovernmental Panel on Climate Change (IPCC) predicted that temperatures would rise by 0.54F (0.3C) per decade. | Models referenced by the Intergovernmental Panel on Climate Change (IPCC) predict that global temperatures are likely to increase by 1.1 to 6.4 °C (2.0 to 11.5 °F) between 1990 and 2100. | 2NOT_ENOUGH_INFO | Global warming controversy |
2,869 | Claims that the IPCC does not accurately represent the views and findings of the scientists, on whose work the IPCC reports are based, are not supported by the facts. | This consensus is supported by various studies of scientists' opinions and by position statements of scientific organizations, many of which explicitly agree with the Intergovernmental Panel on Climate Change (IPCC) synthesis reports. | 2NOT_ENOUGH_INFO | Scientific consensus on climate change |
79 | The rate of warming according to the data is much slower than the models used by the IPCC | The observed increase in hurricane intensity is larger than climate models predict for the sea surface temperature changes we have experienced. | 2NOT_ENOUGH_INFO | IPCC Fourth Assessment Report |
2,242 | The warming causes the oceans to release CO2. | The trigger for these mass extinctions appears to be a warming of the ocean caused by a rise of carbon dioxide levels to about 1000 parts per million. | 2NOT_ENOUGH_INFO | Anoxic event |
1,569 | Sea level rise is decelerating. | Over the 21st century, this is expected to rise, with glaciers contributing 7 to 24 cm (3 to 9 in) to global sea levels. | 1REFUTES | Sea level rise |
2,488 | However, it is unable to explain the long term warming trend over the past few decades. | The New York Times highlighted their finding that the 20th century had been the warmest century in 600 years, quoting Mann saying that "Our conclusion was that the warming of the past few decades appears to be closely tied to emission of greenhouse gases by humans and not any of the natural factors". | 1REFUTES | Hockey stick controversy |
2,134 | Tuvalu sea level isn't rising | Gradual sea-level rise also allows for coral polyp activity to increase the reefs. | 2NOT_ENOUGH_INFO | Tuvalu |
1,463 | The number of record high temperature events in the United States has been increasing, while the number of record low temperature events has been decreasing, since 1950. | The warmest month on record is July 1999, with a mean temperature of 81.4 °F (27.4 °C). | 2NOT_ENOUGH_INFO | New York City |
2,289 | In fact, in recent years when cosmic rays should have been having their largest cooling effect on record, temperatures have been at their highest on record. | The actual temperatures are not known, because the size of the hot spots could not be measured, but are likely to have been in the 800–1,100 K (527–827 °C; 980–1,520 °F) range, relative to a normal temperature of 740 K (467 °C; 872 °F). | 2NOT_ENOUGH_INFO | Venus |
776 | Over the coming 25 or 30 years, scientists say, the climate is likely to gradually warm | The current scientific consensus is that: Earth's climate has warmed significantly since the late 1800s. | 2NOT_ENOUGH_INFO | Scientific consensus on climate change |
1,011 | The melting of the Greenland ice sheet is already contributing significantly to sea level rise, and new research is highlighting that the melting of Arctic sea ice can alter weather conditions across Europe, Asia and North America.’” | The Greenland Ice Sheet has experienced record melting in recent years since detailed records have been kept and is likely to contribute substantially to sea level rise as well as to possible changes in ocean circulation in the future if this is sustained. | 0SUPPORTS | Greenland ice sheet |
2,384 | Climate economics research shows that in reality, we are harming the economy by failing to implement CO2 limits. | There is overwhelming agreement among economists that carbon taxes are the most efficient and effective way to curb climate change, with the least adverse effects on the economy. | 2NOT_ENOUGH_INFO | Carbon tax |
1,142 | Even as sea ice in the Arctic has seen a rapid and consistent decline over the past decade, its counterpart in the Southern Hemisphere has seen its extent increasing.” | Sea ice is currently in decline in area, extent, and volume and summertime sea ice may cease to exist sometime during the 21st century. | 0SUPPORTS | Climate change in the Arctic |
2,381 | Economic assessments of proposed policy to put a price on carbon emissions are in widespread agreement that the net economic impact will be minor. | Economists have different views over the cost estimates of climate change mitigation given in the Review. | 1REFUTES | Stern Review |
695 | Models are too sensitive to increases in carbon dioxide concentrations in the atmosphere, he said. | Increases in atmospheric concentrations of CO 2 and other long-lived greenhouse gases such as methane, nitrous oxide and ozone have correspondingly strengthened their absorption and emission of infrared radiation, causing the rise in average global temperature since the mid-20th century. | 2NOT_ENOUGH_INFO | Carbon dioxide |
809 | In the early 20th century, state and federal governments began aggressively fighting wildfires and trying to keep them as small as possible. | By the close of the 19th century, intensive agriculture had devastated soil fertility, and lumbering had deforested most of the state. | 2NOT_ENOUGH_INFO | Wisconsin |
2,105 | Excess CO2 from human emissions has a long residence time of over 100 years | The atmospheric lifetime of CO 2 is estimated of the order of 30–95 years. | 1REFUTES | Greenhouse gas |
281 | In an interview with the BBC after the scandal broke, Dr Jones admitted there had been no statistically significant global warming since 1995 | Here is the quote: "The fact is that we can't account for the lack of warming at the moment and it is a travesty that we can't." | 0SUPPORTS | Climatic Research Unit email controversy |
498 | The 30 most costly hurricanes in U.S. history (according to federal data from January) show no increase in intensity over time. | On September 4, Irma resumed intensifying, becoming a Category 5 hurricane by early on the next day. | 2NOT_ENOUGH_INFO | Hurricane Irma |
76 | Burping cows are more damaging to the climate than all the cars on this planet. | Most environmentally related taxes with implications for greenhouse gas emissions in OECD countries are levied on energy products and motor vehicles, rather than on CO2 emissions directly. | 2NOT_ENOUGH_INFO | Climate change mitigation |
1,040 | While evidence that the earth’s orbital variations impact radiation levels and thus global temperatures does not of course mean that man is not in some way impacting the climate, studies like these highlight that the role man plays on the planet is dwarfed by natural phenomena utterly out of our control. | There are many interesting palaeoclimate studies that suggest that solar variability had an influence on pre-industrial climate. | 2NOT_ENOUGH_INFO | Global warming controversy |
888 | the mild warming of around 0.8 degrees Celsius that the planet has experienced since the middle of the 19th century | Without this heat-retention effect, the average surface temperature would be −18 °C (0 °F), in contrast to the current +15 °C (59 °F), and life on Earth probably would not exist in its current form. | 2NOT_ENOUGH_INFO | Earth |
2,464 | While natural forcings can account for much of the early 20th Century warming, humans played a role as well. | (2012) stated that a combination of natural weather variability and human-induced global warming was responsible for the Moscow and Texas heat waves. | 2NOT_ENOUGH_INFO | Attribution of recent climate change |
2,837 | In fact, the rate of increase from September onward is the fastest rate of change on record, either upwards or downwards. | Already-rising default rates on "subprime" and adjustable-rate mortgages (ARM) began to increase quickly thereafter. | 2NOT_ENOUGH_INFO | Financial crisis of 2007–08 |
2,093 | Through its impacts on the climate, CO2 presents a danger to public health and welfare, and thus qualifies as an air pollutant | Tipping points are "perhaps the most ‘dangerous’ aspect of future climate changes", leading to irreversible impacts on society. | 2NOT_ENOUGH_INFO | Effects of global warming |
1,273 | The rapid changes in the climate may have profound consequences for humans and other species… Severe drought caused food shortages for millions of people in Ethiopia, with a lack of rainfall resulting in “intense and widespread” forest fires in Indonesia that belched out a vast quantity of greenhouse gas | A primary cause of the famine (one of the largest seen in the country) is that Ethiopia (and the surrounding Horn) was still recovering from the droughts which occurred in the mid-late 1970s. | 0SUPPORTS | Famine |
2,086 | Extreme weather isn't caused by global warming | Extreme Weather Prompts Unprecedented Global Warming Alert. | 1REFUTES | Extreme weather |
586 | The sun was so intense, it took the mercury up to in excess of 120°F as it topped out at 122.4 °F (50.2°C). | The polar regions are constantly below 180 K (−93 °C; −136 °F). | 2NOT_ENOUGH_INFO | Mercury (planet) |
703 | If the same eruptions had happened near the more recent end of the dataset, they could have pushed the overall trend into negative numbers, or a long-term cooling,’ Christy said.” | Climatic oscillations at higher frequencies are not predicted... the results indicate that the long-term trend over the next 20,000 years is towards extensive Northern Hemisphere glaciation and cooler climate". | 2NOT_ENOUGH_INFO | Global cooling |
1,305 | The projection that much of the Great Barrier Reef could perish within the next few decades could turn out to be too pessimistic, since other research has shown that some species of corals are surprisingly resilient to the stress from changing ocean temperatures. | These forms of pollution have made the reef less resilient to climate change. | 1REFUTES | Great Barrier Reef |
2,799 | satellites confirmed measurements from ground stations show a considerable, and naturally-occurring, global brightening from 1983-2001 (Pinker et al., 2005). | There was solar brightening beyond 2000 at numerous stations in Europe, the United States, and Korea. | 0SUPPORTS | Global dimming |
1,785 | Global surface temperatures have continued to rise steadily beneath short-term natural cooling effects, and the rise in global heat content has not slowed at all. | El Niño events cause short-term (approximately 1 year in length) spikes in global average surface temperature while La Niña events cause short term cooling. | 2NOT_ENOUGH_INFO | El Niño–Southern Oscillation |
35 | Ice berg melts, ocean level remains the same. | Since the last glacial maximum about 20,000 years ago, the sea level has risen by more than 125 metres (410 ft), with rates varying from less than a mm/year to 40+ mm/year, as a result of melting ice sheets over Canada and Eurasia. | 2NOT_ENOUGH_INFO | Sea level rise |
1,933 | Newt Gingrich "teamed with Nancy Pelosi and Al Gore on global warming." | "Urge Gore to Add Going Vegetarian to the Global Warming Pledge". | 2NOT_ENOUGH_INFO | Al Gore |
1,155 | But observations, such as those on our CO2 Coalition website, show that increased CO2 levels over the next century will cause modest and beneficial warming—perhaps as much as one degree Celsius (1.8 degrees Fahrenheit) | Future warming is projected to have a range of impacts, including sea level rise, increased frequencies and severities of some extreme weather events, loss of biodiversity, and regional changes in agricultural productivity. | 2NOT_ENOUGH_INFO | Greenhouse gas |
1,180 | “It seems self-evident that rising sea levels will reduce land area. | The effects of global warming include rising sea levels, regional changes in precipitation, more frequent extreme weather events such as heat waves, and expansion of deserts. | 2NOT_ENOUGH_INFO | Global warming |
463 | “So now we’re able to explain from natural factors how we’ve had the 20th Century warming. | Since the start of the 20th century, the global mean surface temperature of the Earth has increased by more than 0.7°C and the rate of warming has been largest in the last 30 years. | 2NOT_ENOUGH_INFO | Scientific consensus on climate change |
2,157 | CO2 increase is natural, not human-caused | Human activity since the Industrial Revolution has increased the amount of greenhouse gases in the atmosphere, leading to increased radiative forcing from CO2, methane, tropospheric ozone, CFCs, and nitrous oxide. | 1REFUTES | Global warming |
1,670 | Scientists have determined that the factors which caused the Little Ice Age cooling are not currently causing global warming. | Historical patterns of warming and cooling, like the Medieval Climate Anomaly and the Little Ice Age, were not as synchronous as current warming, but may have reached temperatures as high as those of the late-20th century in a limited set of regions. | 2NOT_ENOUGH_INFO | Global warming |
343 | They concluded that trends toward rising climate damages were mainly due to increased population and economic activity in the path of storms, that it was not currently possible to determine the portion of damages attributable to greenhouse gases, and that they didn’t expect that situation to change in the near future. | They state further that the "continuing reliance on combustion of fossil fuels as the world's primary source of energy will lead to much higher atmospheric concentrations of greenhouse gases, which will, in turn, cause significant increases in surface temperature, sea level, ocean acidification, and their related consequences to the environment and society". | 2NOT_ENOUGH_INFO | Scientific consensus on climate change |
548 | The jet stream controls broad weather patterns, such as high-pressure and low-pressure systems. | This causes surface low pressure and higher pressure at altitude. | 0SUPPORTS | Jet stream |
1,895 | Gov. Palin ... is somebody who actually doesn't believe that climate change is man-made. | After the election and the Climategate scandal, Palin spoke at a 2010 California logging conference calling studies supporting global climate change as "snake oil science". | 0SUPPORTS | Sarah Palin |
914 | The Clean Power Plan, a major component of fulfilling the agreement, would spike energy costs for working and middle-class Texans by 16% by 2030, according to the Economic Reliability Council of Texas | They are: To help households and businesses transition to a low carbon future To streamline the adoption of efficient energy To make buildings more energy-efficient For governments to work in partnership and lead the way to energy efficiency The overriding agreement that governs this strategy is the National Partnership Agreement on Energy Efficiency. | 2NOT_ENOUGH_INFO | Efficient energy use |
2,256 | The warming effect from more CO2 greatly outstrips the influence from changes in the Earth's orbit or solar activity, even if solar levels were to drop to Maunder Minimum levels. | The consensus is that several factors are important: atmospheric composition, such as the concentrations of carbon dioxide and methane (the specific levels of the previously mentioned gases are now able to be seen with the new ice core samples from EPICA Dome C in Antarctica over the past 800,000 years); changes in the earth's orbit around the Sun known as Milankovitch cycles; the motion of tectonic plates resulting in changes in the relative location and amount of continental and oceanic crust on the earth's surface, which affect wind and ocean currents; variations in solar output; the orbital dynamics of the Earth–Moon system; the impact of relatively large meteorites and volcanism including eruptions of supervolcanoes. | 2NOT_ENOUGH_INFO | Ice age |
2,495 | 'Gore claims the snowcap atop Africa's Mt. Kilimanjaro is shrinking and that global warming is to blame. | Kibo's diminishing ice cap exists because Kilimanjaro is a little-dissected, massive mountain that rises above the snow line. | 2NOT_ENOUGH_INFO | Mount Kilimanjaro |
991 | “Sea level rise is global. | With continued melt and retreat they contribute to raising global sea levels. | 2NOT_ENOUGH_INFO | Sea level rise |
1,350 | Until last June, most scientists acknowledged that warming reached a peak in the late 1990s | The reconstruction found significant variability around a long-term cooling trend of –0.02 °C per century, as expected from orbital forcing, interrupted in the 20th century by rapid warming which stood out from the whole period, with the 1990s "the warmest decade, and 1998 the warmest year, at moderately high levels of confidence." | 0SUPPORTS | Hockey stick graph |
2,780 | The United States has been restricting soot emissions in Draconian fashion since the Clean Air Act of 1963. | § 7401) is a United States federal law designed to control air pollution on a national level. | 2NOT_ENOUGH_INFO | Clean Air Act (United States) |
3,102 | ...there [is] anecdotal and other evidence suggesting similar melts from 1938-43 and on other occasions. | SnPb 63/37 Eutectic solder melts at 183 °C. | 2NOT_ENOUGH_INFO | Soldering |
661 | “Although the extent of the summer sea ice after 2006 dropped abruptly to levels not expected until 2050, the predicted 67-per-cent decline in polar bear numbers simply didn’t happen. | Warnings about the future of the polar bear are often contrasted with the fact that worldwide population estimates have increased over the past 50 years and are relatively stable today. | 2NOT_ENOUGH_INFO | Polar bear |
2,365 | Comparisons to the most recent data consistently finds that climate change is occurring more rapidly and intensely than indicated by IPCC predictions. | They judge that global mean surface air temperature has increased by 0.3 to 0.6 °C over the last 100 years, broadly consistent with prediction of climate models, but also of the same magnitude as natural climate variability. | 1REFUTES | Intergovernmental Panel on Climate Change |
244 | But it means a chunk of the rise is coming from elsewhere. | Depopulation resulting from the plague was thus almost certainly a major factor in the success of early Ottoman expansion into the Balkans, and contributed to the weakening of the Byzantine Empire and the depopulation of Constantinople. | 2NOT_ENOUGH_INFO | Rise of the Ottoman Empire |
2,170 | Climate change isn't increasing extreme weather damage costs | For example, developed countries will be negatively affected by increases in the severity and frequency of some extreme weather events, such as heat waves. | 1REFUTES | Effects of global warming |
2,319 | While urban areas are undoubtedly warmer than surrounding rural areas, this has had little to no impact on warming trends. | Surfaces in the urban areas tend to warm faster than those of the surrounding rural areas. | 2NOT_ENOUGH_INFO | Urban heat island |
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