The president's chief climate negotiator has outlined the kind of agreement he might press for at the big U.N. climate summit in Paris next year.
The grocery chain's new labels are actually nuanced and make a lot of sense.
Think a new carpool lane will relieve gridlock on L.A.'s infamous 405? Think again.
They may be microbes you've never heard of, but they sequester a non-trivial amount of methane.
A new report written for the European Commission says cleaner power is cheaper power when all costs are considered.
When the forests of Guinea were cut down, fruit bats and humans became a lot cozier -- and so did their diseases.
According to a nifty new tool, California is out front with climate adaptation. Where you at, New York?
In the time it takes to pay a mortgage, East Coast cities will be swamped. Yikes.
Turns out that wider lanes only encourage people to drive faster, with deadly results.