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 ...

Climate change is the single greatest threat we've ever faced — not only to human society but to the Earth's web of life. The Center's Climate Law Institute was founded to unite our programs in ...

The industrial age has brought millions of pounds of toxic contaminants into our environment. Pesticides, synthetic chemicals, heavy metals and even chemicals from household products are now pervasive ...

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 ...

Gentle and playful marine mammals, Florida manatees have come to represent the amazing biodiversity of Florida. With their large size, slow-moving nature, and fondness of seagrass, it's easy to see ...

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 ...

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 ...

Bluefin tuna are an ocean-going fish that grow up to 10 feet long and can weigh as much as 1,200 pounds. Unlike almost all fish, bluefin tuna are warm-blooded and able to regulate their body ...

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 ...