Greenhouse gases

IPCC Climate Report: Human Impact Is 'Unequivocal'
Humans almost certainly cause global warming, scientific panel says. Read more...
Watch: "Do The Math" chronicles follows the climate crusader Bill McKibben as he works with a rising global movement in a David-vs-Goliath fight to change the terrifying math of the climate crisis. Read more...
A new study shows that the speed of warming in the past 100 years is unprecedented, and by the end of this century the planet will have gotten hotter than ever. Read more...
Since the 1970s, the coal industry has been deploying deceptive advertising campaigns to scrub its image and delay important clean air standards. They use the same arguments year after year - environmental protections will cripple the economy, Read more...
Earth Day 1990 - Twenty Years Into It
(Earth Day 1990 - it's heart was in the right place) [media id=12582] Earth Day 1990 was more organized (and more commercially exploited)than it w Read more...