The largest concentrated solar power plant in the world will cut 175,000 tons of CO2 emissions -- and let the United Arab Emirates send more crude our way.
"The era of coal is over," says L.A. Mayor Antonio Villaraigosa. The city's utility will make up the difference with renewables, efficiency, and natural gas.
Thousands of gallons of diesel spilled into a river in Chevron's third pipeline spill in Utah in three years. Two oil-coated beavers were rescued.
A sinkhole that was triggered in August by salt mining for the oil and gas sector has grown to 12 acres, threatening 150 homes.
Predictions of heavy spring rains bode poorly for the health of Lake Erie, where agricultural runoff is expected to cause massive algae blooms.
Never mind the drought: When the farmland price bubble pops, America's farmers could be under water.
Depleted uranium from U.S. munitions is suspected of causing a huge spike in birth defects and all kinds of cancers in Iraq.
The small-scale local food movement isn't paying off for small-scale local food producers.
Delays to the monsoon season in America's southwestern desert states could hurt farmers, cities, and ecosystems.