Gladyes Williamson holds up a discolored jug of water and chants along with other protestors outside the Farmers Market downtown on April 25, 2015, which marks the one year anniversary of the City of Flint switching from using Detroit water to Flint River water. Flint residents of all ages gathered outside Flint City Hall, located on S. Saginaw Street, with signs, t-shirts, and megaphones before walking throughout many streets downtown to voice their concerns with the public. (Sam Owens/The Flint Journal-MLive.com via AP)

Should the EPA Be Blamed For the Crisis in Flint?

The EPA has claimed no wrongdoing in the crisis in Flint. Should they have?
A truck transporting newly cut trees out of the forest

Is Tropical Sustainable Logging Possible?

So-called sustainable commercial logging is not sustainable.
A decomposing fish out of water

It’s Official: A Global Mass Extinction is under Way

New research confirms that the next mass extinction is in progress, and we’re the cause.
A desalination plant

Desalination: Drought Relief or Liability?

Is desalination a viable solution for California's water crisis?
Two Polar Bears navigate drifting ice floes

Geoengineering: A Real Weapon Against Climate Change?

Does geoengineering deserve stronger consideration as a strategy to combat climate change?
Stormy Winds Leveling Huge Waves Flat

Can International Marine Reserves Save The Ocean?

The oceans may be on the verge of biological collapse, can international marine reserves save them?
Four lane highway in Nebraska

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.
A leader speaks into a megaphone to a crowd.

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.
Tweezers holding a leaf and placing it in a test tube

EPA Announces 2014 Presidential Green Chemistry Award Winners

The 2014 Presidential Green Chemistry Award winners discover new strategies for pollution prevention.
A lone creature among the sea plants underwater

Why Isn’t Anyone Talking About Ocean Acidification?

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