A relatively small number of people are required to destroy and ecosystem
The 2014 Presidential Green Chemistry Award winners discover new strategies for pollution prevention.
What is the anthropocene?
Will ocean acidification disrupt the planet's ecosystem before climate change does?
Water-smart urban design and drought in the American West.
Could climate change lead to fewer males?
For the first time in 35 years, atmospheric ozone actually increased, according to NASA measurements.
The next generation of solar power might be waiting beneath the Pacific waves, in the form of an armchair-sized clam.
Biological research tracks predatory carnivores, who are increasingly veering into North American cities.
The federal Wilderness Act was signed 50 years ago.