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13 to 24 of 217 stories (31 over past year)
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From Tropics to Poles: Study Reveals Diversity of Life in Soils
October 18, 2011 — Microscopic animals that live in soils are as diverse in the tropical forests of Costa Rica as they are in the arid grasslands of Kenya, or the tundra and boreal forests of Alaska and Sweden, ... > full story -
Climatic Tipping Points for Tropical Forest and Savanna: Satellite Data Reveal Where They Are Most Vulnerable
October 13, 2011 — Tropical tree cover will jump sharply between a forested state and savanna or treeless conditions rather than respond smoothly to climate change, according to a new ... > full story -
Research and Innovation: New Modelling Results Link Natural Resources and Armed Conflicts
September 28, 2011 — The EU Joint Research Centre (JRC) has developed a statistical modelling tool which allows the risk of conflict occurrence in developing countries to be analyzed. Combining online news reports with ... > full story -
Grazing Zebras Versus Cattle: Not So Black and White
September 22, 2011 — African ranchers often prefer to keep wild grazers like zebra off the grass that fattens their cattle. But a new study shows that grazing by wild animals doesn't always harm -- and can sometimes ... > full story -
Energy and the Environment
Sustainability
Renewable Energy
Global Warming
Agriculture and Food
Genetically Modified
Energy Crops: Achieving a Balance
September 13, 2011 — There has been much debate about the net benefit of growing energy crops to reduce greenhouse gas emissions. While it is accepted that energy crops can displace fossil fuel imports, the emissions ... > full story -
Farming Commercial Miscanthus
August 31, 2011 — A new article examines the carbon sequestration potential of Miscanthus plantations on commercial farms. Researchers evaluated Miscanthus plantations in Ireland, where planting has been subsidized by ... > full story -
Most Plant Species Important in Various and Varying Ecosystems
August 10, 2011 — According to a new analysis of plants in grasslands around the world, 84 percent of plant species are important to their ... > full story -
Rising Carbon Dioxide Could Reverse Drying Effects of Higher Temperatures on Rangelands
August 3, 2011 — Rising carbon dioxide levels can reverse the drying effects of predicted higher temperatures on semi-arid rangelands, according to a new study by a team of US Department of Agriculture and university ... > full story -
Six Million Years of Savanna: Grasslands, Wooded Grasslands Accompanied Human Evolution
August 3, 2011 — Scientists have used chemical isotopes in ancient soil to measure prehistoric tree cover -- in effect, shade -- and found that grassy, tree-dotted savannas prevailed at most East African sites where ... > full story -
Warming Climate Could Give Exotic Grasses Edge Over Natives
July 29, 2011 — With rising temperatures and decreasing rainfall, California's native grasses will likely suffer at the hands of exotic invasive grasses, which are more equipped to deal with warmer weather. That is ... > full story -
Grazing Management Effects on Stream Pollutants
July 21, 2011 — Research conducted on the water quality of pasture streams suggests that grazing management techniques can have substantial impacts on the levels of stream ... > full story -
Plants in Cities Are an Underestimated Carbon Store
July 11, 2011 — Vegetation in towns and cities can make a significant contribution to carbon storage and, ecologists say, could lock away even more carbon if local authorities and gardeners planted and maintained ... > full story
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