Few animals evoke the wild like wolves. Majestic, intelligent and highly social, they’re crucial in driving evolution and balancing ecosystems. Some 2 million wolves once roamed freely throughout ...

Atrazine is one of the most used herbicides in the United States: Approximately 70 million pounds are used nationwide each year. It's a common contaminant of water bodies, including drinking water, ...

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 vast majority of western dry forests are at risk of large, high-intensity fire because of the effects of poor forest management over the past century. The primary factors that lead to current ...

The rare Puerto Rico rock frog, also known as the coquí guajón, is a unique species of tropical frog that dwells primarily in caves and grottos in a limited range in Puerto Rico. The coqui guajón is ...

The two-inch-long, “neotenic” Jollyville Plateau salamander retains gills for its entire life and spends all its time underwater, inhabiting springs, spring runs and wet caves fed by the Edwards ...

The genus name Ochotona stems from the Mongolian word for pikas, ochodona. The species name princeps comes from the Latin word for chief, referring to the Chipewyan Indian name for the pika: “little ...

At the Center for Biological Diversity, we believe that the welfare of human beings is deeply linked to nature — to the existence in our world of a vast diversity of wild animals and plants. Because ...

DESCRIPTION: Savannah elephants are the larger of the two African elephant species. They also have thicker, more curved tusks, more triangulated ears, and differently shaped skulls. Both elephant ...

The development of "oil shale" (not to be confused with "shale oil") and "tar sands" has been shown to be environmentally destructive, and water and energy intensive. Extracting oil from U.S. public ...

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 ...

DESCRIPTION: Roughly five feet in length, Mexican gray wolves generally weigh between 50 and 80 pounds. Their coats are buff, gray, and rust colored, often with distinguishing facial patterns. They ...