
Why it's okay to scrutinize the climate positions of the candidates on President Obama's Supreme Court short list.
Tuesday's surprising ruling raises the stakes of this year's election.
Helped along by both President Obama and Bernie Sanders, Clinton has broken her silence on fossil fuel extraction from public lands.
There's more than one reason the Democratic candidate has jumped on the city's water crisis.
With Hillary Clinton and Bernie Sanders locked in a tight race, either candidate could get a boost from caucus-goers who veer off-script.
Hillary Clinton keeps adopting his positions, but not this one.
In an interview with the New Republic, the former Maryland governor takes the Democratic frontrunner to task on climate change.
Michigan's governor has borne the brunt of the blame, but there's plenty to go around.
A moratorium on coal leases is another notch in his legacy. But it will be up to Hillary Clinton or Bernie Sanders to navigate the fallout.
Fear-mongering about ISIS is just so much easier.
Democrats—so long on the defensive—should use the issue this year to rekindle the Obama coalition.
At CNN's forum, the president offered Democratic candidates a model for touting gun control—and hitting back at the NRA.
Thanks to the NRA, his options are limited—and the next Democratic president will struggle to expand on his actions.
The Paris deal is the last moment of hope we'll see in a long time.
The debates haven't done him any favors, but he's still had an important role in the Democratic primary.
She has embraced many top priorities of climate activists—but they're still suspicious of her history and her connections to oil and gas.