Bummer news for pot smokers: Up to 70 percent of the pesticides found on a marijuana bud can end up in the smoke you're inhaling.
With a hefty injection of money from Steyer, enviros won two key contests on Tuesday: the governor's race in Virginia and a race in rural Washington that may determine the fate of a coal export terminal.
Gina McCarthy talks to Grist about the president's attitude toward climate change and her agency’s proposed rules on new power plants -- plus a little about her favorite baseball team.
She argues that mainstream environmentalists are too tied to the neoliberal agenda to embrace the huge shifts needed to tackle climate change.
Michael Bloomberg, Tom Steyer, and Hank Paulson are teaming up to launch a big bipartisan climate initiative next month.
Prime Minister Stephen Harper has sent a letter to Obama proposing "joint action" on CO2 emissions, hoping to pave the way for Keystone approval.
Just what you've been waiting for: Another reason to feel good about buying Ben & Jerry's.
Many Democratic politicians are pro-fracking. Many core Democratic voters are not. As the 2016 election nears, that conflict will heat up.
Leaked drafts of the forthcoming fifth IPCC climate report reveal that scientists are more sure than ever before that we're screwing up the climate.