Lisa Hymas

Lisa Hymas is senior editor at Grist. She tweets sometimes.

Obama in Berlin: “We have to get to work” on climate change

Climate change "is the global threat of our time," Obama said in a big speech at the Brandenburg Gate. Fitting, as the weather in Berlin was an unseasonably hot 92 degrees.

No, we’re not running out of people

The world population is projected to soar from 7.2 billion today to 8.1 billion in 2025, so you can stop worrying about a shortage of babies.

California’s San Onofre nuclear plant gets final death blow

Southern California Edison is officially giving up on the perpetually troubled San Onofre nuclear power plant. Anti-nuke activists are psyched.

Keystone backers hire lobbyists with ties to John Kerry

TransCanada and Alberta hope former Kerry staffers will help convince the secretary of state that Keystone XL deserves a thumbs-up.

Obama may delay Keystone decision until 2014

The Obama administration has been procrastinating its decision on Keystone XL for years -- and now it may kick the can even further down the road.

GOP throws tantrum over Obama’s EPA nominee

Republicans on the Senate Environment Committee boycotted a vote on Gina McCarthy, basically because they really don't like the EPA.

Joe Biden kinda sorta maybe opposes Keystone XL pipeline

A Sierra Club activist says the veep told her he doesn't support building Keystone, but the vice president's office demurs.

Why haven’t the big green groups divested from fossil fuels?

Activists are pushing colleges and cities to divest, but it turns out many major environmental groups still haven't dumped their own dirty energy stocks, Naomi Klein reports.

Mitt Romney tells college grads to have lots of babies

Breed early and breed often. That was the gist of Mitt Romney's advice in a commencement address at Southern Virginia University.