Atrazine is one of the most used herbicides in the United States: Approximately 70 million pounds are used nationwide each year. It's a common contaminant of water bodies, including drinking water, ...

DESCRIPTION: The eastern diamondback is the largest rattlesnake in the world. Adults are typically four to five feet long and weigh four to five pounds. A big snake may reach six feet in length and ...

Fossil fuels — coal, petroleum, and natural gas — are our main sources of energy, producing the vast majority of fuel, electricity, and heat used by people across the globe. In 2005 a whopping 86 ...

DESCRIPTION: The desert kit fox is a small fox of slender build, exceptionally large ears, heavy underfur(pale bleached gray on top and whitish on the underside ...

Every year, more than 340,000 people visit the Barton Springs swimming hole in Austin, Texas. Few swimmers realize they're taking a dip in the home of one of North America's most endangered species — ...

Sierra Nevada bighorn sheep learn to leap from crag to crag in early lambhood, developing quickly into keen-eyed, strong-limbed and extremely agile creatures, always on the move to escape mountain ...

During President Donald Trump’s first term, the Center for Biological Diversity filed 266 lawsuits challenging his administration’s attempts to block progress on climate change, kill wildlife, ...

The Sonoyta mud turtle has evolved as an aquatic species in one of the driest parts of the Sonoran Desert. With webbed feet and an innate ability to swim, this turtle depends heavily on what little ...

Steelhead are a unique form of rainbow trout. Like salmon, they spent most of their adult lives in the ocean, but spawn in freshwater streams and rivers. Southern steelhead are survivors, adapted to ...

Wolves were once common along the West Coast, from the Olympic Peninsula of Washington state through Oregon to the far reaches of Southern California. As keystone predators, wolves are vital for ...

DESCRIPTION: The longfin smelt is a medium-sized fish, usually growing to about 10 centimeters as an adult. It is translucent silver on the sides and olive to iridescent pink on the back. Its most ...

The Center for Biological Diversity was founded beneath the ancient ponderosa pines of New Mexico's Gila wilderness, where Kierán Suckling, Peter Galvin, and Todd Schulke met while surveying owls for ...