credits

app.py

@@ -123,18 +123,30 @@ m.to_streamlit(height=700)
 "## Explore further"
 
 st.write('''
-Try adding additional options to the map. For example, add the map of irrecoverable carbon in 2018 as an overlay layer by pasting the code below into the python code box on the left. 
+Try adding additional options to the map. Some suggested examples are shown below. 
+(Of course any self-respecting streamlit app would make these into toggle buttons,
+but this is a demo and it's fun & flexible to be able to execute arbitrary code).
+
+To explore further, simply modify the Streamlit app.py file from the Files menu up top!
 '''
 )
 
-st.code('m.add_cog_layer("https://data.source.coop/cboettig/carbon/cogs/irrecoverable_c_total_2018.tif", palette="reds", name="irrecoverable carbon", transparent_bg=True, opacity = 0.8, zoom_to_layer=False)')
 
 
 # +
 
 
-## Just for fun: further examples of adding additional layers to the application:
+st.code('''
+
+# irrecoverable carbon (Conservation International):
+"https://data.source.coop/cboettig/carbon/cogs/irrecoverable_c_total_2018.tif"
+m.add_cog_layer(, palette="reds", name="irrecoverable carbon", transparent_bg=True, opacity = 0.8, zoom_to_layer=False)')
 
+# Human Impacts, Vizzuality
+url="https://data.source.coop/vizzuality/hfp-100/hfp_2021_100m_v1-2_cog.tif"
+m.add_cog_layer(url, palette="purples", name="human impact", transparent_bg=True, opacity = 0.8, zoom_to_layer=False)
+
+# Fire Polygons, USGS
 usgs = "https://data.source.coop/cboettig/fire/usgs-mtbs.pmtiles"
 combined_style = {
     "version": 8,
@@ -156,5 +168,26 @@ combined_style = {
     ]
 }
 
-# m.add_pmtiles(usgs, name="Fire", style=combined_style, overlay=True, show=True, zoom_to_layer=False)
+m.add_pmtiles(usgs, name="Fire", style=combined_style, overlay=True, show=True, zoom_to_layer=False)
+''')
+
+        
+
+
+# +
+st.divider()
 
+'''
+## Credits
+
+### Data sources
+
+- Carbon-loss by Vizzuality, on https://beta.source.coop/repositories/vizzuality/lg-land-carbon-data. citation: https://doi.org/10.1101/2023.11.01.565036, License: CC-BY
+- Human Footprint by Vizzuality, on https://beta.source.coop/repositories/vizzuality/hfp-100,  citation: https://doi.org/10.3389/frsen.2023.1130896, License: Public Domain
+- Fire polygons by USGS, reprocessed to PMTiles on https://beta.source.coop/cboettig/fire/, License: Public Domain.
+- Irrecoverable Carbon from Conservation International, reprocessed to COG on https://beta.source.coop/cboettig/carbon, citation: https://doi.org/10.1038/s41893-021-00803-6, License: CC-BY-NC
+
+Software stack: Streamlit (python) app hosted on free-tier HuggingFace spaces.  Mapping with Leafmap.
+
+
+'''