Twelve minutes into the 2009 documentary Food, Inc., Carole Morison appears on the screen — haggard, tired, quietly seething. Squinting into the sun, she tells the camera, “I’ve just made up my mind; I’m gonna say what I have to say,” and she proceeds to show and tell.

Isocyanic acid ... just the name says you should play it like Bill Clinton and not inhale. Breathe easy, unless you regularly inhale the smoke of forest fires or have a leaky wood-burning stove, the pollutant doesn't seem to be a first world problem.

Today, citizens from affected communities, together with environmental organizations and community groups, announced a call to action to demand an end to putting oil and gas drilling profits ahead of public health, clean water, air and the safety of our communities. This event will be the largest of its kind and will take place on the West Lawn of the U.S. Capitol, Washington, D.C. from 10 a.m. to 2 p.m. on July 28, 2012.

It doesn’t take an agricultural expert to know that you can’t grow vegetables without water. So it wasn’t surprising that after hundreds of people marching under the banner “Occupy the Farm” took over a University of California (UC) agricultural testing station on the edge of Berkeley, Calif., April 22, UC officials responded by shutting off water to the site.

A genetically engineered fish that glows green from the inside out is helping illuminate what pollutants do inside the body.

In an effort to prevent destructive oil drilling in the Arctic, dozens of Greenpeace Nordic activists have boarded and occupied a Shell-contracted icebreaker in Helsinki harbour on May 1 as it prepared to leave for the Alaskan Arctic.

Every week brings a new story about coal’s decline in America. Here are two from last week.

New research finds that wind farms actually warm up the surface of the land underneath them during the night, a phenomena that could put a damper on efforts to expand wind energy as a green energy solution.

Five years ago, ethanol was seen as the next big thing to wean the U.S. off foreign oil. Then some studies on the corn-based fuel cast doubt on its environmental benefits, and auto companies turned their attention to hybrids and electric cars. The hype died off, but the ethanol industry is alive and well, driving a big change in America's corn consumption.

The early spring of 2012 raised both temperatures and eyebrows, including President Obama's.