The Blue Marble is turning into a glowing globe – and in many places that’s becoming a problem for human health.

We mapped light pollution from oil and gas fields and found they outshine American cities — and that's bad news for birds.

Video: The big cats face a long list of threats, from climate change to habitat loss to the illegal pet trade.

Disease outbreaks could be coming your way — our interactive map shows how you could be affected.

Video: Poachers slaughtered 1,028 South African rhinos for their horns in 2017.

We mapped out where the drilling could take place — and how it overlaps with the critical habitats of the most sensitive species at risk.

Air pollution is an unevenly distributed issue — how it affects you depends on where you live.

America’s waters are contaminated by poop and bacteria. Use our maps to find the worst waste locations near you.

A difficult hurricane season unearths issues ranging from cancer hotspots to deadly bacteria.

Mountaintop mining and excrement-filled lagoons threaten the unique biodiversity of the American southeast.