The American West contains 620,000 miles of fencing, threatening the migration of pronghorn, mule deer and other species.

As development of large solar projects speeds up, researchers race against the clock to study the ecosystem implications.

The pressures of climate change and human land use could lead to the disappearance of unique biodiversity and vital ecological services.

Planting trees is not a silver bullet. It’s time to change the narrative from tree-planting to tree-growing.

Invasive predators have cornered these endangered Patagonian frogs in the last remnant of their habitat.

Experts say expanding public lands won’t be enough to achieve science-based calls for more protected areas.

Atlantic salmon are perilously close to extinction in the United States. Taking down a few dams could go a long way to aiding their recovery, experts say.

Historical pressures combined with new threats from climate change have pushed more than a dozen species close to extinction.

The company claims to be restoring its former diamond mines to nature. My research revealed a still-barren landscape and shattered lives.

An Indigenous-led resistance raises the alarm about a tar-sands pipeline that would cut through treaty territory of Anishinaabe people, threatening wild rice, fresh water and the climate.