The Interior Department says that, contrary to State Department findings, the pipeline could wreak havoc on wildlife along its proposed route.
Hot air, rising seas, and other findings from NOAA's latest State of the Climate report.
Scientists see fresh evidence of a strong link between climate change and violence.
Yes, but not anytime soon.
In warming seas, even lobsters think lobster is delicious. (Terrifying video included!)
Without natural barriers, twice as much U.S. coastline will be highly exposed to climate risks.
David Roberts chats with Kate Sheppard from Mother Jones and James West of Climate Desk about Obama's big speech.
Secrets from the leafcutter ant's underground fungus fields could help create a more efficient ethanol.
Scientists are heading underground for clues to ancient climates.