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Environmental News Network - Ecosystems
Scientists At MIT Unraveling The Secrets Of Red Tide (View Original Story)
Source: Posted: 09-01-2007 at 06:01:09
| Cambridge, Mass. - In work that could one day help prevent millions of dollars in economic losses for seaside communities, MIT chemists have demonstrated how tiny marine organisms likely produce the red tide toxin that periodically shuts down U.S. beaches and shellfish beds.
In the Aug. 31 cover story of Science, the MIT team describes an elegant method for synthesizing the lethal components of red tides. The researchers believe their method approximates the synthesis used by algae, a reaction that chemists have tried for decades to replicate, without success.
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National Oceanic and Atmospheric Administration Awards $450,000 to Advance the Penobscot River Restoration Project (View Original Story)
Source: Posted: 09-01-2007 at 06:01:09
| In an important next step for the landmark Penobscot River Restoration Project, the National Oceanic and Atmospheric Administration (NOAA) has awarded $450,000 from its Broad Area Announcement toward engineering and environmental studies necessary for project design and permitting. |
NASA Study: Stronger But Fewer Storms (View Original Story)
Source: Posted: 09-01-2007 at 06:01:09
| WASHINGTON - NASA scientists have developed a new climate model that indicates that the most violent severe storms and tornadoes may become more common as Earth's climate warms. Previous climate model studies have shown that heavy rainstorms will be more common in a warmer climate, but few global models have attempted to simulate the strength of updrafts in these storms. The model developed at NASA's Goddard Institute for Space Studies is the first to successfully simulate the observed difference in strength between land and ocean storms and is the first to estimate how the strength will change in a warming climate, including "severe thunderstorms" that also occur with significant wind shear and produce damaging winds at the ground. |
National Hurricane Center: Tropical Depression 6 Has Formed In Atlantic (View Original Story)
Source: Posted: 09-01-2007 at 06:01:09
| NEW YORK - A well-organized tropical wave in the Atlantic Ocean about 250 miles east of the Windward Islands has formed into a tropical depression, the U.S. National Hurricane Center said late today.
The NHC sent an Air Force hurricane hunter airplane to investigate the system early this afternoon to confirm if a depression had formed. It would be the sixth tropical depression of the 2007 Atlantic hurricane season. |
LSU professor looks for life in and under antarctic ice (View Original Story)
Source: Posted: 09-01-2007 at 06:01:09
| Antarctica is home to the largest body of ice on Earth. Prior to approximately 10 years ago, no one thought that life could exist beneath the Antarctic ice sheets, which can be more than two miles thick in places, because conditions were believed to be too extreme. However, Brent Christner, assistant professor of biological sciences at LSU, has spent a great deal of time in one of the world’s most hostile environments conducting research that proves otherwise.
Christner’s discoveries of viable microbes in ancient ice cores and subglacial environments coupled with the realization that large quantities of liquid water exist beneath the Antarctic ice sheet have changed the way biologists view life in Antarctica. |
Colombia joins Countdown 2010 (View Original Story)
Source: Posted: 09-01-2007 at 06:01:09
| Colombia has become the third country in South America to join Countdown 2010, an initiative to slow the rate of biodiversity loss by 2010
Colombia, which has the highest Biodiversity National Indicator in South America and the most biodiverse region of the world, has joined the Countdown 2010 initiative. |
Canada Wind Industry Grows Amid Opposition Storms (View Original Story)
Source: Posted: 09-01-2007 at 06:01:09
| TORONTO - Canada's fledgling wind power industry, late off the global starting blocks, has stumbled on growing local resistance to the idea of massive turbines dotting the country's relatively unmarked landscape.
Although polls show widespread support for the renewable energy source, a growing number of companies say that support quickly fades among those who must live alongside wind farms, leading to project delays and extra costs. |
Spreading deserts threaten world food supply (View Original Story)
Source: Posted: 09-01-2007 at 06:01:09
| Spreading deserts and degradation of farm land due to climate change will pose a serious threat to food supplies for the world's surging population in coming years, a senior United Nations scientist warned on Friday.
M.V.K. Sivakumar of the U.N.'s World Meteorological Organisation (WMO) said the crunch could come in just over a decade as all continents see more weather-related disasters like heat waves, floods, landslides and wildfires. |
ENN Focus: Bottom Trawling. (View Original Story)
Source: Posted: 09-01-2007 at 09:00:51
| Today's trawlers are capable of fishing deep-sea canyons and rough seafloor that was once avoided for fear of damaging nets. To capture one or two target commercial species, deep-sea bottom trawl fishing vessels drag huge nets armed with steel plates and heavy rollers across the seabed, plowing up and pulverizing everything in their path. For a few commercial target species, thousands of tons of coral are hauled up only to be thrown back dead or dying, along with huge quantities of unwanted bycatch. In a matter of a few weeks or months, bottom trawl fishing can destroy what took many thousands of years to create. |
Biosensors To Probe The Metals Menace (View Original Story)
Source: Posted: 09-01-2007 at 12:07:37
| If the pond life goes star-shaped, you’d be wise not to drink the water. Researchers from CRC CARE are pioneering a world-first technology to warn people if their local water or air is contaminated with dangerous levels of toxic heavy metals and metal-like substances. |
Looking for Life in and Under Antarctic Ice (View Original Story)
Source: Posted: 09-01-2007 at 12:07:37
| If confirmed, "immortal cells" could prove potential for life on Mars and Europa, one of Jupiter’s moons; Antarctica is home to the largest body of ice on Earth. Prior to approximately 10 years ago, no one thought that life could exist beneath the Antarctic ice sheets, which can be more than two miles thick in places, because conditions were believed to be too extreme. However, Brent Christner, assistant professor of biological sciences at LSU, has spent a great deal of time in one of the world’s most hostile environments conducting research that proves otherwise. |
Pope Leads Church's First Eco-Friendly Rally (View Original Story)
Source: Posted: 09-01-2007 at 06:00:56
| LORETO, Italy - Pope Benedict on Saturday led the Catholic Church's first eco-friendly youth rally -- where nearly everything used was biodegradable or recyclable -- and urged his young listeners to shun "disposable love."
The 80-year-old Pope told the young people, estimated by organizers at some 300,000, to dare to change the world and search for lasting, meaningful relationships. |
California Limits Water Supply To Protect Endangered Animals (View Original Story)
Source: Posted: 09-01-2007 at 06:00:56
| SACRAMENTO, Calif. - A U.S. District Court has ordered a massive reduction in water supplies from the state's two largest water delivery systems to protect an endangered fish species, the Delta smelt. The reduction is anticipated to last while federal agencies develop a revised federal biological opinion for Delta smelt that will ensure the projects' compliance with Endangered Species Act requirements.
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