More pipelines are in the pipeline.
The vast mines stripping Alberta's tar sands are wrecking old-growth forests.
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.