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Rapidly warming climate is likely to seriously alter crop yields in the tropics and subtropics by the end of this century and, without adaptation, will leave half the world's population facing serious food shortages, new research shows.
Source: Newswise Posted on: Thursday, Jan 08, 2009, 5:41pm Rating: Not Rated | Views: 45 | Comments: 0
The evolutionary history of diatoms -- abundant oceanic plankton that remove billions of tons of carbon dioxide from the air each year -- needs to be rewritten, according to a new Cornell study. The findings suggest that after a sudden rise in species numbers, diatoms abruptly declined about 33 million years ago -- trends that coincided with severe global cooling.
Source: Cornell University Communications Posted on: Thursday, Jan 08, 2009, 4:47pm Rating: Not Rated | Views: 16 | Comments: 0
New research indicates that the ocean could rise in the next 100 years to a meter higher than the current sea level – which is three times higher than predictions from the UN's Intergovernmental Panel on Climate Change, IPCC.
Source: University of Copenhagen Posted on: Thursday, Jan 08, 2009, 1:09pm Rating: Not Rated | Views: 35 | Comments: 0
When extremes of drought and flood come in rapid succession, the extent of damage to vegetation may depend in part on the sequence of those events, according to a new study published in The American Naturalist.
Source: University of Chicago Press Journals Posted on: Thursday, Jan 08, 2009, 1:09pm Rating: Not Rated | Views: 16 | Comments: 0
Mercury pollution has already spurred public health officials to advise eating less fish, but it could become a more pressing concern in a warmer world.
Source: University of Florida Posted on: Wednesday, Jan 07, 2009, 5:13pm Rating: Not Rated | Views: 60 | Comments: 0
Are domestic cats responsible for declining wild bird populations across Europe? To find out, a scientist at the University of Reading is collecting the hunting trophies of the town's cats after their nights on the tiles.
Source: Natural Environment Research Council Posted on: Wednesday, Jan 07, 2009, 1:58pm Rating: 5/5 | Views: 63 | Comments: 0
In the journal Frontiers in Ecology and the Environment, a collaboration of ecologists, biologists and biophysicists has now shown that in addition to direct light, cues from polarized light can trigger animal behaviors leading to injury and often death.
Source: Ecological Society of America Posted on: Wednesday, Jan 07, 2009, 9:40am Rating: Not Rated | Views: 57 | Comments: 0
Climate researchers have shown that big volcanic eruptions over the past 450 years have temporarily cooled weather in the tropics—but suggest that such effects may have been masked in the 20th century by rising global temperatures. Their paper, which shows that higher latitudes can be even more sensitive to volcanism, appears in the current issue of Nature Geoscience.
Source: The Earth Institute at Columbia University Posted on: Monday, Jan 05, 2009, 7:08pm Rating: Not Rated | Views: 48 | Comments: 0
A recent study shows that shade trees on the west and south sides of a house in California can reduce a homeowner's summertime electric bill by about $25.00 a year. The study, conducted last year on 460 single-family homes in Sacramento, is the first large-scale study to use utility billing data to show that trees can reduce energy consumption.
Source: USDA Forest Service, Pacific Northwest Research Station Posted on: Monday, Jan 05, 2009, 2:16pm Rating: Not Rated | Views: 39 | Comments: 0
When there is a threat of disease during pregnancy, mothers produce less aggressive sons with more efficient immune systems, researchers at The University of Nottingham have discovered.
Source: University of Nottingham Posted on: Monday, Jan 05, 2009, 11:49am Rating: Not Rated | Views: 31 | Comments: 0
The Bronx Zoo-based Wildlife Conservation Society announced today that its efforts to protect a wildlife-rich coastal region in South America have paid off in the form of a new coastal marine park recently signed into law by the Government of Argentina.
Source: Newswise Posted on: Tuesday, Dec 30, 2008, 5:41pm Rating: Not Rated | Views: 76 | Comments: 0
Researchers have discovered that grazing animals such as deer and rabbits are actually helping to spread plant disease – quadrupling its prevalence in some cases – and encouraging an invasion of annual grasses that threaten more than 20 million acres of native grasslands in California.
Source: Oregon State University Posted on: Tuesday, Dec 30, 2008, 9:20am Rating: Not Rated | Views: 54 | Comments: 0
Interest in organic crop production is increasing around the world. Organics are healthy for consumers while adding environmental benefits and decreasing the amount of synthetic herbicides in foods, soil, and water. While organics gain popularity with consumers, organic farmers are faced with new production challenges, especially managing and reducing invasive weeds.
Source: American Society for Horticultural Science Posted on: Monday, Dec 29, 2008, 4:55pm Rating: Not Rated | Views: 70 | Comments: 0
Americans love pumpkins. The growing popularity of rural fall festivals, grade school farm tours, and "u-pick" pumpkin farms has resulted in an increase in consumer demand for pumpkins throughout the country.
Source: American Society for Horticultural Science Posted on: Monday, Dec 29, 2008, 2:01pm Rating: Not Rated | Views: 48 | Comments: 0
Plants, genetically modified to ease the breaking down of their woody material, could be the key to a cheaper and greener way of making ethanol, according to researchers who add that the approach could also help turn agricultural waste into food for livestock.
Source: Penn State Posted on: Monday, Dec 22, 2008, 7:46pm Rating: Not Rated | Views: 88 | Comments: 0
Want to save gasoline, lower your power bills and help save the environment? New Vanderbilt research identifies seven simple actions individuals can start today that have the potential to dramatically reduce energy use and carbon emissions.
Source: Newswise Posted on: Monday, Dec 22, 2008, 2:25pm Rating: Not Rated | Views: 87 | Comments: 0
National Mall reflects magnificence and neglect The sad decline of the historic promenade shows in trampled lawns and unfiltered pools. With 2 million visitors expected for the inauguration and 25 million yearly, the park service can't keep up.
Source: LA Times Posted on: Thursday, Jan 08, 2009, 9:54am Rating: Not Rated | Views: 13 | Comments: 0
Listen: Frogs Pipe Up After Australian Desert Downpour Morning Edition visits an ephemeral pond in the Australian desert, where a sudden downpour has flushed out 11 species of frogs. In their chorus, they signal to mates and mark territory. The segment is part of "Sounds Wild," a series of short, sound-rich stories from remote parts of the planet that are home to rare animals.
Source: NPR Posted on: Thursday, Jan 08, 2009, 9:54am Rating: Not Rated | Views: 12 | Comments: 0
China’s Power Slowdown China’s recent explosive growth in generation of electricity has reversed, and emissions of carbon dioxide are presumably dropping, too.
Source: NYT Posted on: Wednesday, Jan 07, 2009, 11:13am Rating: Not Rated | Views: 12 | Comments: 0
California brown pelicans found frail and far from home The coastal birds have been seen on highways, runways and in backyards, and they share symptoms of disorientation, fatigue and bruising. The phenomenon is stumping experts.
Source: LA Times Posted on: Tuesday, Jan 06, 2009, 12:36pm Rating: Not Rated | Views: 15 | Comments: 0
Countries in tug-of-war over Arctic resources One of the planet's most fragile and pristine ecosystems sits atop a bounty of untapped fossil fuels. And the fight between northern nations over who owns those resources may turn out to be the most important territorial dispute of this century.
Source: CNN.com Posted on: Monday, Jan 05, 2009, 2:16pm Rating: Not Rated | Views: 10 | Comments: 0
Fishermen Make Mad Dash For Dungeness Crab As many West Coast fisheries collapse, more fishermen are turning to the delectable Dungeness crab. It's one of the last thriving fisheries in California, but the winter race for the crabs means fewer fresh crabs on tables and smaller profits.
Source: NPR Posted on: Monday, Jan 05, 2009, 12:15pm Rating: Not Rated | Views: 19 | Comments: 0
Go green for your health and the planet’s Try this thorough list of the everyday items that might be doing you wrong that may harm your health — and the easy alternatives that are free of worrisome chemicals.
Source: MSNBC Posted on: Monday, Jan 05, 2009, 9:11am Rating: Not Rated | Views: 14 | Comments: 0
Don't Take Out The Trash, Live With It! How far would you go to demonstrate your concern for the environment? One California man is so concerned about how much garbage we generate that he's decided to live with it ... literally.
Source: CBSnews Posted on: Tuesday, Dec 30, 2008, 5:40pm Rating: Not Rated | Views: 37 | Comments: 0