U.S. states hope to tap Canada’s network of large dams to meet low-carbon goals, but do better options exist closer to home?

Smalltail shark populations have declined by 90% in Brazil, and new research finds that overfishing has pushed the species perilously close to extinction.

Biodiversity loss threatens national security. We need to invest in technologies to preserve our vital food varieties.

A plan to import hydropower from Canada to Massachusetts begs the question of whether big hydro along with its reservoirs and dams, is green enough to be worth the cost.

Thousands of fires in the world’s largest tropical wetlands have put the region’s Indigenous communities and Brazil’s unique wildlife at risk.

Videos of people getting too close to, and touching, the rare apes motivates other people to want to do the same — and that could spread diseases like COVID-19 to a critically endangered species.

Ecuador’s Los Cedros Reserve, one of Earth’s most biodiverse habitats, could be wiped out by mining. A court case could save it — and set a precedent for the planet.

Timing is running short to develop an international framework to help prevent environmental harm to deep-sea life and to share resources equitably among nations, experts say.

Coastal mangrove forests help protect communities and habitats from storm surges, but sea-level rise could wipe them out.

Solving this biodiversity mystery could reveal one of the most important sites to conserve these “rhinos of the sea.”