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IU research: Forest diversity from Canada to the sub-tropics influenced by family proximity
How species diversity is maintained is a fundamental question in biology. In a new study, a team of Indiana University biologists has shown for the first time that diversity is influenced on a spatial scale of unparalleled scope, in part, by how well tree seedlings survive under their own parents. (2012-05-18)

Manmade pollutants may be driving Earth's tropical belt expansion
Black carbon aerosols and tropospheric ozone, both manmade pollutants emitted predominantly in the Northern Hemisphere's low- to mid-latitudes, are most likely pushing the boundary of the tropics further poleward in that hemisphere, new research by a team of scientists shows. (2012-05-17)

University of Pittsburgh Geologists Map Prehistoric Climate Changes in Canada's Yukon Territory
Researchers at the University of Pittsburgh have joined an international group of scientists to study past climate changes in the Arctic. (2012-05-09)

Climate change, biofuels mandate would cause corn price spikes
A study from Purdue and Stanford university researchers predicts that future climate scenarios may cause significantly greater volatility in corn prices, which would be intensified by the federal biofuels mandate. (2012-04-24)

Teamwork: IBEX and TWINS Observe a Solar Storm
On April 5, 2010, the sun spewed a two million-mile-per-hour stream of charged particles toward the invisible magnetic fields surrounding Earth, known as the magnetosphere. (2012-04-13)

Weather records due to climate change: A game with loaded dice
The past decade has been one of unprecedented weather extremes. Scientists of the Potsdam Institute for Climate Impact Research (PIK) in Germany argue that the high incidence of extremes is not merely accidental. (2012-03-26)

Neiker-Tecnalia develops new types of substrates using sewage sludge and metallurgical waste
Neiker-Tecnalia, the Basque Institute for Agricultural Research and Development, has developed new types of artificial soils--Technosols to be used as growing substrates in the greenhouses. (2012-03-21)

Mesquite trees displacing Southwestern grasslands
As the desert Southwest becomes hotter and drier, semi-arid grasslands are slowly being replaced by a landscape dominated by mesquite trees, such as Prosopis velutina, and other woody shrubs, a team of University of Arizona researchers has found. (2012-03-19)

UN scientists warn of increased groundwater demands due to climate change
Climate change has been studied extensively, but a new body of research guided by a San Francisco State University hydrologist looks beneath the surface of the phenomenon and finds that climate change will put particular strain on one of our most important natural resources: groundwater. (2012-03-06)

New study will help protect vulnerable birds from impacts of climate change
Scientists from PRBO Conservation Science and the Department of Fish and Game have completed an innovative study on the effects of climate change on bird species of greatest concern. (2012-03-05)