Ten oil refineries in the United States are emitting levels of the pollutant benzene well above the federal government’s “action level” limit, according to a new report from the Environmental Integrity Project, an environmental watchdog group.

Materials called perovskites show strong potential for a new generation of solar cells, but they’ve had trouble gaining traction in a market dominated by silicon-based solar cells.

Alaska’s Tongass and Chugach National Forests, which contain some of the world’s largest remaining tracts of intact temperate rainforest, contribute an average of 48 million salmon a year to the state’s commercial fishing industry, a new USDA Forest Service-led study(link is external) has found.

Tropical forest trees are the centerpiece of debates on conservation, climate change and carbon sequestration today. 

Colorado State University atmospheric chemist Delphine Farmer had spent her entire career probing the complexities of outdoor air – how gases and particles in the atmosphere move, interact and change, and how human activities perturb the air we breathe.  Then, she went inside.

When you think of the effects of climate change on wildlife, what’s the first image that pops into your mind? 

The mudslides that follow wildfires in Southern California can be deadly and difficult to predict. 

New research led by the Monterey Bay Aquarium and partner organizations yielded the first comprehensive global biodiversity map documenting the distribution of life both on land and in the ocean.

The water filter on your refrigerator door, the pitcher-style filter you keep inside the fridge and the whole-house filtration system you installed last year may function differently and have vastly different price tags, but they have one thing in common.

Tourists today spend thousands of dollars to explore and enjoy the lush and thriving rainforests of Guatemala.