The problem with universally condemning energy subsidies is that they're not all the same.
The GOP presidential hopeful has been a vocal supporter of the ethanol industry -- except when he bashes it.
Scientist Ken Caldeira explains.
Climate change could make deadly diseases like rotavirus even worse.
Instead of getting stuck on annual heat records, we need to focus on the trend of global warming.
According to a new study, the major broadcast news networks are covering climate change more than they have in years. The bad news: A lot of it is misleading and unscientific.
Weather is not climate.
Watch Sen. James Inhofe cite the Bible to prove that humans aren't causing climate change.
The Earth keeps getting warmer, and we're to blame.