Rumor has it that Obama will reject the Keystone pipeline soon. We've rounded up the positions of all the people running to replace him.
Your cucumber salad will never be bland again with this great trick.
Climate change will make danger days a lot more common over the next 15 years.
Many cities have a pissing problem. Here's what some are doing about it.
Over 30 percent of California's forest firefighters are prisoners.
Diego Angarita Horowitz is a rising star in the nonprofit world. Now he's adding a business degree to his resume.
A youth coalition argues that the federal government shouldn't be supporting the fossil fuel industry.
FDA-approved ractopamine helps pigs put on muscle, but not everyone thinks it's safe.
Despite all the current hype around geoengineering, our attempts to control the world's weather and climate go way, way back.