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 ...

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 ...

Rat poisons and other rodenticides don’t only poison rodents. They can be lethal to any bird or mammal, but especially smaller ones — like children, pets, and wildlife. If you ever suspect rodenticide ...

The Center's Urban Wildlands Program focuses on private land development, water-supply projects and highway building in the “wildland-urban interface” — the edges of sprawling urban and suburban areas ...

Don’t turn to toxic, dangerous rodenticides to get rid of rodents. Instead, use exclusion and sanitation tactics to make sure they never enter your home or business in the first place. Sealing entry ...

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 ...

Stream channelization, dam construction, and impoundments change the water flow, temperature, and quality to which the Topeka shiner is specifically adapted. Dams also prevent shiners from migrating ...

Plastic accumulating in our oceans and on our beaches has become a global crisis. Billions of pounds of plastic can be found in swirling convergences that make up about 40 percent of the world's ocean ...

Why are bats dying in North America? An estimated 6.7 million bats have died since 2006 because of an outbreak of white-nose syndrome, a fast-moving disease that has wiped out entire colonies and left ...

More than half of the world's 19 penguin species are in danger of extinction, with three of these living in South America. Determined to protect penguins from global warming and other threats, in 2006 ...

After Hurricane Andrew ripped through South Florida in 1992, the already-scarce Miami blue butterfly almost went extinct: No one recorded a single sighting for years. Finally, in 1999, a cheer went up ...