Renewable energy sources are gaining ground on fossil fuels.
Thanks, climate change!
Bleaching is back in a big way, and we're not just talking about Justin Bieber.
Utility D.C. Water is turning poop into power.
Is all the hype about self-driving cars taking attention away from more promising technologies? Umbra cruises through the facts.
A new report estimates that the world mobilized $62 billion in climate finance in 2014. The global goal is $100 billion annually by 2020.
Here's what we know about the Trans-Pacific Partnership so far.
A new poll claims the drunken munchies are the Achilles heel of vegetarians.
Fat is back -- when it comes to yogurt, at least.