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NPR Environment

Posted Fri, 24 May 2013 13:00:00 -0400 - www.npr.org
A series of tornadoes struck the central United States this week, including a powerful storm in Oklahoma that killed at least 24 people. Marshall Shepherd, the president of the American Meteorological Society, describes the ingredients of major tornadoes, and how they are predicted.
Posted Fri, 24 May 2013 13:00:00 -0400 - www.npr.org
Scientists say climate change could increase pests and weeds, lengthen growing seasons and turn dry soil to dust. Farmers are already on the offensive, adopting no-till cropping methods to conserve water and experimenting with different seeds. And scientists are using a technique called gene...
Posted Fri, 24 May 2013 13:00:00 -0400 - www.npr.org
In parts of the southeastern US, aggressive fire ants have been driven out by an even more recent arrival, the tawny crazy ant. Edward LeBrun, a researcher at the University of Texas at Austin, describes the newcomers and how one invasive species can out-invade another.
Posted Fri, 24 May 2013 12:25:00 -0400 - www.npr.org
Populations of frogs, salamanders and other amphibians are declining at an average rate of 3.7 percent each year, according to a U.S. Geological Survey study released this week.
Posted Fri, 24 May 2013 04:02:00 -0400 - www.npr.org
There is some political willingness, but because China is highly decentralized politically, the Communist Party has only limited influence over provincial governments and how they regulate their dirty factories. The powerful state-owned oil companies have also resisted pressure to produce...
Posted Thu, 23 May 2013 17:47:00 -0400 - www.npr.org
The revival is partly based on the humble sour fruit's growing reputation as a superfood. And in Michigan, a scientist is on a quest to introduce a whole new world of hardier, tastier tart cherries by breeding American trees with ancestral varieties from Eastern Europe.
Posted Thu, 23 May 2013 17:41:00 -0400 - www.npr.org
At nearly seven miles below the water's surface, the Mariana Trench is the deepest spot in Earth's oceans. And the site north of Guam is where director and explorer James Cameron fulfilled a longtime goal of reaching the bottom in a manned craft.
Posted Thu, 23 May 2013 03:06:00 -0400 - www.npr.org
Organizing for Action — a group that formed out of President Obama's re-election campaign — has focused its ire on Republicans it calls "climate change deniers." But some environmentalists are frustrated with the president himself on issues like the Keystone pipeline.
Posted Thu, 23 May 2013 03:06:00 -0400 - www.npr.org
Organizing for Action — a group that formed out of President Obama's re-election campaign — has focused its ire on Republicans it calls "climate change deniers." But some environmentalists are frustrated with the president himself on issues like the Keystone pipeline.
Posted Wed, 22 May 2013 16:57:00 -0400 - www.npr.org
A plant scientist at Mars Inc. has appealed to the world's biggest life sciences companies to help him — by sharing what they already know about 100 crops that could provide better nutrition in Africa. But can the kings of agricultural intellectual property get onboard with open source...
Posted Wed, 22 May 2013 10:00:00 -0400 - www.npr.org
Although scientists have known that a funguslike organism caused the potato blight that triggered the Great Famine in Ireland in the 1840s, they didn't know which strain was the culprit. But they do now, thanks to the genes in some 19th century potato samples.
Posted Tue, 21 May 2013 17:41:00 -0400 - www.npr.org
When disaster strikes, our natural instinct is to take cover and seek shelter. But in severe weather, especially the type that breeds tornadoes like we saw in Oklahoma and parts of the Midwest this week, there are those who ride toward the storm.
Posted Tue, 21 May 2013 17:41:00 -0400 - www.npr.org
When disaster strikes, our natural instinct is to take cover and seek shelter. But in severe weather, especially the type that breeds tornadoes like we saw in Oklahoma and parts of the Midwest this week, there are those that ride toward the storm.
Posted Tue, 21 May 2013 16:26:00 -0400 - www.npr.org
Hipsters may just be discovering the joys of backyard chickens, but in African megacities, people have been bringing their animals into the slums with them for decades. That's creating a new ecosystem of animals and huge numbers of people living closely together like never before.
Posted Tue, 21 May 2013 16:26:00 -0400 - www.npr.org
Hipsters may just be discovering the joys of backyard chickens, but in African megacities, people have been bringing their animals into the slums with them for decades. That's creating a new ecosystem of animals and huge numbers of people living closely together like never before.