Snow melt from the snow pack in the Sierra Nevada mountain range provides drinking water to about 30% of California's

Snow melt from the snow pack in the Sierra Nevada mountain range provides drinking water to about 30% of California's residents, irrigates key crops in the San Joaquin valley, and runs hydroelectric power plants that supply at least 15% of the state's electricity. Scientists Martha Conklin and Tom Harmon of the University of California, Merced are conducting research at the Southern Sierra Critical Zone Observatory, using wireless sensor technology to more accurately measure snow pack and snow melt so that state water managers can make better decisions on how to allocate this precious resource. Published on Jul 12, 2013

The Tar Sands Resistance March on Saturday, June 6th, 2015 drew more than 5,000 people to St. Paul, MN for the largest anti-tar sands march ever in the region. The march sent a clear message: keep

The Tar Sands Resistance March on Saturday, June 6th, 2015 drew more than 5,000 people to St. Paul, MN for the largest anti-tar sands march ever in the region. The march sent a clear message: keep toxic tar sands out of America's Heartland to protect our water, climate and communities.

Small islands are often heavily dependent on expensive imported fuel to generate electricity. The public-private partnership of

Small islands are often heavily dependent on expensive imported fuel to generate electricity. The public-private partnership of Cabeólica in Cape Verde off the West Coast of Africa has harnessed the country's plentiful winds to help reduce diesel imports and increase energy security.

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Published on Jul 3, 2013

Allan Savory is President and Co-founder of the Savory Institute

Allan Savory is President and Co-founder of the Savory Institute in Boulder, Colorado.

"Desertification is a fancy word for land that is turning to desert," begins Allan Savory in this quietly powerful talk. And terrifyingly, it's happening to about two-thirds of the world's grasslands, accelerating climate change and causing traditional grazing societies to descend into social chaos. Savory has devoted his life to stopping it. He now believes -- and his work so far shows -- that a surprising factor can protect grasslands and even reclaim degraded land that was once desert. Published on Mar 4, 2013

How can we stop the problem of plastic pollution? Recycling? Bioplastics? Compostable straws? No. We need to go to the root of the problem, and cut off the production of new

How can we stop the problem of plastic pollution? Recycling? Bioplastics? Compostable straws? No. We need to go to the root of the problem, and cut off the production of new plastic. That's the only way.