Here's why the state of Nebraska thinks the newly published power plant emissions regulations are illegal.
A new study dynamites a long agreed-upon climate goal.
Kelly Levin, a climate policy expert at the World Resources Institute, explains what our carbon budget is, how much we've already "spent," and why it matters.
Most states' disaster plans don't account for climate change.
It's us! Turns out temperatures would be higher if not for a 1987 pact to slash CFCs.
An Antarctic scientist explains how the impacts of the shutdown could be felt for years to come.
In Germany, scientists are trying to engineer drought-resistant barley to help prevent famines (and keep Oktoberfest's beer supply flowing).
Climb aboard NASA's biggest flying laboratory to discover the climate change secrets of clouds.
The Interior Department says that, contrary to State Department findings, the pipeline could wreak havoc on wildlife along its proposed route.