How Many People Does it Take to Wreck an Ecosystem?

A relatively small number of people are required to destroy and ecosystem

EPA Announces 2014 Presidential Green Chemistry Award Winners

The 2014 Presidential Green Chemistry Award winners discover new strategies for pollution prevention.

Welcome to the Anthropocene

What is the anthropocene?

Why Isn’t Anyone Talking About Ocean Acidification?

Will ocean acidification disrupt the planet's ecosystem before climate change does?
Arid Lands Institute

Embracing Dry Land: Water-Smart Urban Design and Drought in the American West

Water-smart urban design and drought in the American West.

Climate and Gender: Too Few Males?

Could climate change lead to fewer males?

Signs of Recovery in Earth’s Ozone Layer, but Danger Remains

For the first time in 35 years, atmospheric ozone actually increased, according to NASA measurements.

For the Next Generation in Solar Power, Talk to the Clam

The next generation of solar power might be waiting beneath the Pacific waves, in the form of an armchair-sized clam.

Keeping Up with the Carnivores

Biological research tracks predatory carnivores, who are increasingly veering into North American cities.
Grassy Lake in the John Muir Wilderness

The Wilderness Act Celebrates its 50th Birthday

The federal Wilderness Act was signed 50 years ago.