More than 200 people died in a 7.2 magnitude earthquake in Turkey.

California finished its cap-and-trade plan with minimal drama. Here's how they did it.

If you are rich and worried about your environmental footprint, you can hire a whole other human being to screw in LED lightbulbs for you, run your errands on a bike, and buy cleaning products with fewer chemicals in them.

An Oregon State University study found that collecting forest biomass and turning it into biofuel uses more carbon than burning fossil fuels.

Why is it so hard to make meetings green? We’ll just have to do away with them instead.

Find out how many people there were on Earth when you were born.