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 ...

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 ...

Oases in the desert, Southwestern streams are among the most delicate ecosystems on the planet. In these shallow, ephemeral waters, species like the Mexican garter snake once carved out a precarious ...

DESCRIPTION: The ocelot is a medium-sized, spotted cat. It grows to about three feet long, not including its tail, and weighs around 30 pounds. It is described as crepuscular and nocturnal, spending ...

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 ...

Synthetic phosphate fertilizer poses a serious threat to our environment. Phosphate rock mining, along with the inorganic fertilizers and animal feed supplements and pesticides for which phosphate is ...

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 ...

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, ...

The word jaguar comes from the South American Tupi and Guarani languages. A likely origin is the word yaguareté, meaning “true, fierce beast.” DESCRIPTION: The largest cat native to North America and ...

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 ...

Description: The tallest land mammal, with a neck as long as 6 feet, the giraffe is also well known for the unique brown and white pattern on its coat (“pelage”) and its lengthy eyelashes and legs.

Walls built along the U.S.-Mexico border over the past several decades are a blight on the landscapes and cultures of the borderlands. Hundreds of miles of wall have been built across protected public ...