The new carbon-cutting standard gives every state the opportunity to chart its own energy future.
Like the United States, Brazil has a long way to go with its response to global warming.
It's hard to say which is worse.
The EPA's new carbon-cutting safeguards will take a big bite out of climate disruption while reducing soot, smog, and other pollutants.
The Pentagon needs to put its money where its mouth is.
Putting a price on carbon emissions is one of the best ways we can slow the pace of climate change.
Americans need to hear from the media about the climate crisis even if there's a shortage of cheerful angles.
Believe it or not, Shell — of all companies — gets it.