Atmosphere: weather, contrails, chemistry, parhelia
Atmosphere: Contrail formation products by NASA but removed in 2025 to align with the President's anti-science, pro-retribution agenda:
PDF: NASA Contrail formation guide
PDF: A pdf of the EPA website before being edited to de-emphasize the role of human emissions: EPA Causes of Climate Change (before December 2025 purge)
Link to archive: EPA Causes of Climate Change
This image is redrawn from its source and provides a good overview of known impacts of aircraft exhaust. The source is openly available from this link cited in the illustration:
