Celebrate Eunice Foote’s 200th birthday by learning how she predicted the effect of greenhouse gases before the man who gets the credit.

In Wyoming, the Black Rosy-Finch, one of the continent’s least-known, least-accessible birds, may prove a bellwether for a retreating alpine ecosystem—if an intrepid scientist can track its numbers.

A new ranching generation is taking cues from historical bison herds to help prairies, wildlife, and their businesses survive the next century.

The birds' critical food stores, saved up each autumn for lean times later, risk going bad as global temperatures warm.

Some species change locales by merely moving between higher and lower elevations. Here are four examples of altitudinal migrants in the U.S.

Renowned biologist Thomas Lovejoy talks climate change and explains why restoring ecosystems plays a crucial part in curbing rising temperatures.

Populations of the seabird on Ascension Island have plummeted since the 1950s. A disrupted food chain could be to blame, scientists say.

And if you can't yet, learn them here so you can help Audubon track how certain species are adjusting to climate change.

Stop tilling, digging, and using conventional fertilizers to preserve carbon-rich dirt. You'll be helping your plants and the atmosphere.

More people see the allure of pedal power in a car-centric world.