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 ...

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 ...

The largest of the true foxes, red foxes are also the most widespread, found across the entire northern hemisphere. But secretive Sierra Nevada red foxes — genetically and geographically distinct from ...

Hellbenders may not be pretty to everyone, but these strictly aquatic salamanders are as interesting as their awesome name implies — and they grow up to 2 feet long and sometimes top 4 pounds, making ...

At the Center for Biological Diversity, we use path-breaking law, organizing and creative media to demand swift and just action from the federal government that reins in climate pollution from the ...

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 ...

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 ...

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 ...

Gulo means “glutton” in Latin. DESCRIPTION: The largest terrestrial member of the weasel, or mustelid, family, the wolverine has an average length of 36 inches and a height of 12 inches. Males weigh ...

Monarch butterflies are important culturally and ecologically across North America. Generations have watched in wonder as yellow-and-black striped caterpillars fold into green-and-gold chrysalises 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 ...

The variability among living organisms on the earth, including the variability within and between species and within and between ecosystems. Biological diversity, often shortened to biodiversity, is ...