This “living fossil” has survived in the South American Andes for millennia, but now faces an uncertain future due to climate change, fires, and voracious European animals.

Previous support and pledges from the United States have helped to slow forest loss in Brazil. Will Trump reverse that progress?

Beef and soybean agriculture are carving up this massive forest, which spans four countries and has some of the world’s highest deforestation rates.

In north Brazil, the combined effects of a hydroelectric dam and earth-shifting livestock have altered the landscape — and upended peoples’ lives.

These weasel-like small cats haven’t been documented in the country since 1986. A new study suggests it’s time to reintroduce them.

The coral reef ecosystems in Brazil’s largest coastal Marine Protected Area need defending against overfishing, tourism and global warming.