Ancient Diamonds Unlock Secrets Of Early Earth
August 22, 2007 01:33 PM - Ben Hirschler, Reuters
LONDON - Diamonds more than 4 billion years old -- nearly as old as the Earth itself -- have been discovered in Western Australia, giving scientists vital clues about the early history of our planet. Found trapped in zircon crystals in the Jack Hills region, the small gems are the oldest identified fragments of the Earth's crust and their existence suggests the Earth may have cooled faster than previously thought, experts said on Wednesday.
Challenges Remain In Reintroducing American Chestnut
August 22, 2007 01:24 PM - Douglas M. Main, Purdue University
WEST LAFAYETTE, Ind. - Researchers have developed a breed of American chestnut that is resistant to the fungal blight that decimated its population in the early 1900s. But the return of this "king of trees," so-called for its picturesque form and towering height of more than 100 feet, remains hampered by a slew of obstacles, said a Purdue University researcher.
Round Gobies Rising: Researchers Say Nightly Swim To Surface Helped The Invasive Fish Spread Through Great Lakes
August 22, 2007 11:41 AM - University of Michigan
ANN ARBOR, Mich. — Ever since University of Michigan fishery biologist David Jude discovered non-native round gobies in the Great Lakes in 1990, scientists have been trying to figure out exactly how the unwanted intruders got there, and how they quickly spread to all five lakes.
Researchers Want To Contain Flesh-Eating ”Super-Bug’ In Jails
August 22, 2007 11:16 AM - University of California, Los Angeles
Los Angeles - Researchers have developed a mathematical model that mimics a particularly nasty and ongoing outbreak at the Los Angeles County Jail of the flesh-eating bacteria known as methicillin-resistant Staphylococcus aureus, or MRSA.
Report: Lake Tahoe Has Fewer Cold Days, Less Snow, Warmer Water
August 22, 2007 11:01 AM - UC Davis
Lake Tahoe, California - Overall, the most striking data in a new report are those showing that the Tahoe climate is warming up. This trend could have profound implications for the natural features that make Tahoe a popular international vacation destination: snowfall in winter and the beautiful cobalt-blue lake in summer. This news comes from UC Davis, which has released the first in a new series of annual reports designed to give the non-scientific community an unprecedented compendium of information that documents changing water quality and weather conditions in the Lake Tahoe Basin.
Insiders Story: Greening China, Cutting Carbon
August 22, 2007 10:25 AM - Jane Wu, SciDevNet
Zhang Fubin, who works at the Tianjin Cement Industry Design & Research Institute in China, is constantly being interrupted by his mobile phone. Since the institute successfully developed new technology to generate energy from the waste gases emitted during cement making, he has barely had time to himself. "My colleagues and I are busy running between cement plants to update their facilities with this new technology," he says.
Peace Parks book explores how protected areas can resolve conflict
August 22, 2007 10:03 AM - The World Conservation Union
A book which examines how environmental conservation can be used to contribute to peace-building in conflict zones has just been published.Peace Parks, with a foreword by the World Conservation Union’s Director General, Julia Marton-LefĂ¨vre, explores how the parks can help resolve political and territorial disputes.
Stalk Burning Fuels China Pollution Woes
August 22, 2007 09:58 AM - Jia Hepeng, SciDevNet
A new study published in the August issue of the Chinese Science Bulletin, scientists estimate that farmers burning stalks produced 210.2 million tons of carbon dioxide in 2000, the most recent year for official figures on China's total carbon dioxide emissions. This was 6.1 per cent of China's total emissions that year.
Brazil Rejects Reports of Amazon Logging in Camps
August 22, 2007 07:13 AM - Raymond Colitt, Reuters
Brazil's government rejected accusations Tuesday that its settlement of poor peasants in the Amazon was fueling the destruction of the world's largest rain forest but promised an investigation.
New Report Lists “Top Ten” Threats to Oceans and Coasts in South America
August 21, 2007 05:15 PM - The Nature Conservency
The Nature Conservancy released an unprecedented study highlighting the top ten threats to marine conservation in South America. Citing over-fishing as the number one threat, compounded by intense development pressures and numerous environmental challenges.