This massive rainforest in Aceh, Indonesia is home to tigers, elephants, pangolins, and other threatened species, but it needs one key change to ensure their survival.

Local communities strive to protect local forests and headwaters that include some of the Amazon River’s most important water sources.

These unique ecosystems face threats from invasive species, development and pollution.

A timber sale looms over hiking trails, a nearby city’s water supply, and already-vulnerable salmon and orca populations.

Industrial waste from a mill is leaching into the groundwater and polluting the Clark Fork River. A major flood could cause an even bigger catastrophe.

A region historically plagued by industrial pollution is overwhelmed with unconventional oil and gas development.

A proposed high-voltage power line threatens a mountain lake and its surrounding wetlands.

Even protected places face threats from climate change and encroaching development. 

This nature haven, an important area for marine mammals, is losing its luster as developments come at a price to the ecosystem and wildlife.

Shrinking tidal flat habitats in eastern China threaten critical stopover sites for migratory shorebirds.