Did your childhood include swallowtail and monarch butterflies fluttering through your neighborhood? Caterpillars chewing backyard leaves? Warm summer nights with fireflies blinking in the bushes? The ...

For every county in the United States, the map below shows information on all the animals and plants protected under the U.S. Endangered Species Act as threatened or endangered. To see the number of ...

Critical habitat is key to the survival of endangered species. In fact, a study by the Center found, plants and animals with federally protected critical habitat are more than twice as likely to be ...

Wolverines, the largest land-dwelling species in the mustelid family, are famous for their daring and tenacity — they've been known to prey on animals as big as moose, and many stories tell of ...

The U.S. transportation sector is responsible for about a third of our country’s climate-damaging emissions. In California transportation is the leading source of greenhouse gas pollution, accounting ...

An analysis of oil and gas pipeline safety in the United States reveals a troubling history of spills, contamination, injuries and deaths. This time-lapse video shows pipeline incidents from 1986 to ...

The mountain yellow-legged frog was once the most abundant amphibian in Southern California's Sierra Nevada and Transverse Ranges. Just decades ago, it was hard to walk around many of California's ...

Cactus ferruginous pygmy owls are named for the saguaro cactuses they live in, their rusty-colored stripes, and their small size. They’re as fierce as they are small: These 2.5-ounce raptors prey on ...

The grizzly bear is so named because its hair is grizzled, or silver tipped, yet the name is commonly believed to be derived from “grisly,” meaning “horrible.” DESCRIPTION: A subspecies of brown bear, ...

Three vital provisions give the Act its teeth. It’s “citizen-suit” provision lets public-interest groups and individuals petition and sue sluggish federal agencies to make sure the Act protects ...

Every day we make choices in our lives that affect the environment, the climate and other species. From what we eat to how many children we decide to have, there’s a lot we can do to “choose wild” and ...

The Center’s Population and Sustainability program addresses the impacts on wildlife and the environment that are caused by human population pressure and destructive consumption and production. We ...