Common clouds over the Arctic are being blamed for the much faster-than-expected rate at which Greenland's ice sheets melted last summer.
The idea? Help people give up the headache of auto ownership by turning transportation into a service.
New York's Zach Pickens resurrects the ancient art of seed saving -- with a focus on plants that thrive on rooftops and fire escapes.
Those new rules we thought were going to keep nasties out of our food supply? Well, it was a nice idea, anyway.
After getting slammed last summer, ethanol producers are hoping to catch a break -- but their fate is far from settled.
A $6.8-billion project will connect giant cities of eastern Texas with wind farms in the state's blustery west.
Rules from EPA have to go through the president’s Office of Information and Regulatory Affairs, where they are subjected to cost considerations not envisioned by Congress. Heinzerling explains what’s wrong with this system.
In Obama's first term, big environmental groups poured resources into congressional lobbying and corporate connections rather than environmental justice.
The country is fast outgrowing its electric grid. Are small-scale solar projects the solution?