A startup is proposing to take millions of gallons of grease from Washington D.C.'s restaurants and turn it into biofuel that would help run the region's trucks and buses.

If it actually gets built, DC Biofuels' plant in an industrial section of the city would be the first...

I recently returned from India, where hundreds of millions of people -- 45 percent of the rural population -- live in villages with no electricity. Many of them are poor and live with the stubborn problems of illiteracy, malnutrition and hardship that no aid program has been able...

America is at a "Sputnik moment," Energy Secretary Stephen Chu said today, and the government's next moves will determine whether the country leads the global clean-tech race or loses it to China.

"This is the threat that I see," Chu said in a speech at the National Press Club in...

Congress is out of session, so the Matter Network had to look elsewhere this week to find stories of environmental stewardship gone awry. Oh, here's one!

The Heat Beneath Their Feet: A Canadian company named Magma has swallowed one of...

Here at the Matter Network we explore what works and what sucks in the business of saving the planet. News from the Northern Hemisphere is grim: A record heat wave in Russia has led to fires that covering a thousand square miles and enveloped Moscow in...

RIP, Energy Bill: Senate Majority Leader Harry Reid announced he didn't have the votes to pass a climate-change bill that puts a price on greenhouse gases. With that statement one of Obama's major campaign promises crashed to earth, along with hopes for slowing global warming or...