Stories about: natural balance  

Conservationists warn that our demands exceed the planet's capacity to sustain us

As the permafrost thaws, these chemical compounds will be released into the environment

These herbivores are the ultimate prey, simply sit around and wait to get eaten

These crustaceans can eat pretty much anything they find in their environment

Conservation projects aimed at rescuing this species must also safeguard their prey

Environmentalists blame humans’ interfering with the natural world for these sightings

Study focuses on how amphibians and other species respond to changes in the natural world