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.
More than 60,000 gallons of unidentified hydrocarbon gunk have leaked into the ground near a gas processing plant, and more just keeps on leaking.
Complaints about turbine-caused illness tend to surface after wind-energy opponents have made a stink and caused people to worry.
For the first time in 15 years, the American Society of Civil Engineers gave the U.S. a better grade than last time.
The company has traded in its accelerator program for a beefier venture capital strategy dedicated to well-designed cleantech.
Mussels start losing their ability to attach themselves to rocks when oceans contain more carbon dioxide.
Wildfires aren't unheard of in Colorado in March, but two recent blazes have people worried about an early fire season in a drought-stricken state.