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xshirely445589

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For example, the state of the Indian Ocean Dipole, or the Tropical Atlantic SST Dipole, may impact the climate in adjacent land areas.Locally applicable information will be available via regional/n...

started by xshirely445589 on 14 Nov 14 no follow-up yet
Energy Net

Key New Ingredient In Climate Model - Environment - an eLab Article at Scientist Live - 0 views

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    For the first time, climate scientists from across the country have successfully incorporated the nitrogen cycle into global simulations for climate change, questioning previous assumptions regarding carbon feedback and potentially helping to refine model forecasts about global warming. The results of the experiment at the Department of Energy's Oak Ridge National Laboratory and at the National Center for Atmospheric Research are published in the current issue of Biogeosciences. They illustrate the complexity of climate modeling by demonstrating how natural processes still have a strong effect on the carbon cycle and climate simulations. In this case, scientists found that the rate of climate change over the next century could be higher than previously anticipated when the requirement of plant nutrients are included in the climate model. ORNL's Peter Thornton, lead author of the paper, describes the inclusion of these processes as a necessary step to improve the accuracy of climate change assessments.
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    For the first time, climate scientists from across the country have successfully incorporated the nitrogen cycle into global simulations for climate change, questioning previous assumptions regarding carbon feedback and potentially helping to refine model forecasts about global warming. The results of the experiment at the Department of Energy's Oak Ridge National Laboratory and at the National Center for Atmospheric Research are published in the current issue of Biogeosciences. They illustrate the complexity of climate modeling by demonstrating how natural processes still have a strong effect on the carbon cycle and climate simulations. In this case, scientists found that the rate of climate change over the next century could be higher than previously anticipated when the requirement of plant nutrients are included in the climate model. ORNL's Peter Thornton, lead author of the paper, describes the inclusion of these processes as a necessary step to improve the accuracy of climate change assessments.
xviet77896

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"The truth is that over a 10- or 20-year period, it depends largely on how fast the Earth warms, and we can't predict the pace of warming very precisely. So the best we can do is try to determine t...

started by xviet77896 on 14 Nov 14 no follow-up yet
Brian G. Dowling

California issues plan to slash greenhouse gas emissions - Los Angeles Times - 0 views

  • California's climate blueprint would slash the state's emissions about 15% below today's level at a time when a consensus of scientists say that global warming is shrinking the state's water supplies, intensifying wildfires, and stressing plant and animal populations.
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    California issues plan to slash greenhouse gas emissions Over the next 12 years, new regulations would seek to turn the climate change clock back to 1990 levels. More efficient electricity use, less traffic and cleaner cars are goals.
fiona3322116

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We are nowhere near the commitments necessary to stay below 2°C of climate change, a level that will be already challenging to manage for most countries around the world, even for rich nations."Pol...

started by fiona3322116 on 14 Nov 14 no follow-up yet
Energy Net

Canadian government mimics US "quiet release" method for major climate and health report (posting from Climate Science Watch) - 0 views

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    "The Conservative government is planning a quiet release for a major Health Canada report that warns of the harmful impact of climate change on the health of Canadians, particularly the young, elderly and aboriginals." Only days after the "quiet release" of a major US climate science program report on the same topic, Canada appears to be following the Bush administration's bad example: Instead of highlighting these reports and using them to advance broader public awareness of the consequences of unchecked global warming, current US and Canadian government "leaders" leave them to be released by middle management and discussed by a relatively few experts.
angle44556

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Six of the 11 panellists were academics).The Report also makes more than 30 recommendations that should be applied if a fracking project was to proceed ranging mandatory health and environmental im...

started by angle44556 on 14 Nov 14 no follow-up yet
Brian G. Dowling

MIT World » : Global and Regional Climate Change: Underlying Science and Emerging Riddles - 0 views

  • The most recent UN report on climate change predicts that greenhouse gases already in circulation have committed the planet to a warming of 2.5 degrees. “No matter what we do today to reduce emissions, the planet will still heat up,” says Ramanathan. But, through a quirk that Ramanathan has spent 10 years uncovering, the planet actually manifests only ¼ of the warming it should based on these climate models. Air pollution, specifically brown clouds from burning biomass, Ramanathan has learned, act as a climate change mask, reducing sunlight on the ground. “On the one hand, it has protected us, but also prevented us from seeing the full blast of the greenhouse effect,” he says. “One of the dumbest things we can do is to reduce sunlight,” because it reduces ocean evaporation, which cuts down on rainfall, and shifts weather systems everywhere, shrinking harvests and glaciers.
  • We are left with “Faustian bargains,” says Ramanathan. If we cut airborne pollutants such as sulfur, the mask will drop, temperatures rise rapidly, and climate tipping elements come into play. Curing one ill causes another. Any plan for “dismantling the experiment we have done with blankets, mirrors and dust must be done as carefully as dismantling a nuclear device.”
Energy Net

White roofs, streets could curb global warming - 0 views

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    The idea of painting our roofs and roads white to offset global warming is not new, but a recent study has calculated just how significantly white surfaces could impact greenhouse gas emissions. Last week, researchers at Lawrence Berkeley National Laboratory and UC Berkeley presented their study at California's annual global warming Research Conference in Sacramento. If the 100 largest cities in the world replaced their dark roofs with white shingles and their asphalt-based roads with concrete or other light-colored material, it could offset 44 metric gigatons (billion tons) of greenhouse gases, the study shows. That amounts to more greenhouse gas than the entire human population emits in one year, according to a recent article in the Los Angeles Times. The strategy could also offset the growth in carbon dioxide emissions, which account for about 75% of greenhouse gases, for the next 10 years.
Energy Net

Put oil firm chiefs on trial, says leading climate change scientist | Environment | The Guardian - 0 views

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    James Hansen, one of the world's leading climate scientists, will today call for the chief executives of large fossil fuel companies to be put on trial for high crimes against humanity and nature, accusing them of actively spreading doubt about global warming in the same way that tobacco companies blurred the links between smoking and cancer.
Energy Net

Solar panels on graves give power to Spanish town - Yahoo! News - 0 views

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    A new kind of silent hero has joined the fight against climate change. Santa Coloma de Gramenet, a gritty, working-class town outside Barcelona, has placed a sea of solar panels atop mausoleums at its cemetery, transforming a place of perpetual rest into one buzzing with renewable energy. Flat, open and sun-drenched land is so scarce in Santa Coloma that the graveyard was just about the only viable spot to move ahead with its solar energy program. The power the 462 panels produces - equivalent to the yearly use by 60 homes - flows into the local energy grid for normal consumption and is one community's odd nod to the fight against global warming.
Energy Net

Newsvine - Climate Change & Australia's water problem... - 0 views

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    Australia is the dryest nation on earth, always was always will be, the trouble is Global warming is making the situation worse and rainfall is reducing in a disturbing pattern. For two centuries since European settlement the States have fought over 'Water-Right's' and the use of water to the detriment of the environment and ultimately to the sustainability of everyone residing here. The Murray-Darling Basin is 3,370km long, drains one-seventh of the Australian land mass, and is currently by far the most significant agricultural area in Australia. The name of the basin is derived from its two major rivers, the Murray River and the Darling River.
Arabica Robusta

Oil: Fueling Another Debt Crisis? - 0 views

  • High oil prices have a clear economic effect. But for highly indebted, impoverished countries, climate change, fueled significantly by CO2 emissions from cars and other gas-guzzling vehicles in the North, will have serious ecological, social and economic impacts as well.
    • Arabica Robusta
       
      Comment on petroleum and global warming.
  • Says Saul, “A key way to transition away from dependence on oil is through debt cancellation. Countries need fiscal space in order to invest in the post-fossil fuel economy — but the debt trap keeps countries from meeting a wide variety of social needs.”
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    it is clear that soaring oil prices are undermining the benefits of debt cancellation in some countries, especially poor oil-importing nations.
Brian G. Dowling

Food vs. Fuel - 0 views

  • Corn is caught in a tug-of-war between ethanol plants and food, one of the first signs of a coming agricultural transformation and a global economic shift. Ever since our ancestors in the Fertile Crescent first figured out how to grow grains, crops have been used mainly to feed people and livestock. But now that's changing in response to the high price of oil, the cost in lives and dollars of ensuring a supply of petroleum imports, and limits on climate-warming emissions of fossil fuels.
explore Annenberg

explore Water - 1 views

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    The explore Team travels to India, China, Costa Rica, and the Arctic to see the impact of humanity on the planet's most important resource: water.
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