An Algae Farm for Cleaner Highways

A design firm has come up with an answer to highway pollution, running tubes of photosynthetic algae to absorb CO2 pollution from traffic.

When Unions Fought for the Environment

In a 1998 paper in Environmental History, Scott Dewey argues that unions were a key force for the emerging cause of environmentalism in the 1950s and '60s.

EPA Announces 2014 Presidential Green Chemistry Award Winners

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

Why Isn’t Anyone Talking About Ocean Acidification?

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

Climate and Gender: Too Few Males?

Could climate change lead to fewer males?
Refueling Car With Gasoline Pump Nozzle, Selective Focus on pump nozzle

Falling Oil Prices are Worse for Conservation than You Think

It's not just falling oil prices but any price volatility that makes conservation a harder sell.

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.
Grassy Lake in the John Muir Wilderness

The Wilderness Act Celebrates its 50th Birthday

The federal Wilderness Act was signed 50 years ago.