Space Shuttle data will help conserve "invisible" waterways.
Raising animals is more damaging than transportation.
Global warming is stressing populations.
Can an urban waterway reclaim its historical ecological health?
Follow a satellite’s-eye-view of the habitats of the Congo River.
Nowhere else are primates as diverse…or as endangered.
Lessons from a pioneering marine park may help restore ocean ecosystems.
Its metropolitan area has grown more than 300 percent in recent decades.
As the suburbs flourish, animals struggle to survive.
How satellite data helps scientists map changes in one of Earth's great wildernesses.