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WASHINGTON (April 23, 2008) - An investigation of the Environmental Protection Agency released today found that 889 of nearly 1,600 staff scientists reported that they experienced political interference in their work over the last five years. The study, by the Union of Concerned Scientists (UCS), follows previous UCS investigations of the Food and Drug Administration, Fish and Wildlife Service, National Oceanic and Atmospheric Administration, and climate scientists at seven federal agencies, which also found significant administration manipulation of federal science.

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.

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.

WASHINGTON (May 29, 2008) - More than 1,700 of the nation's most prominent scientists and economists today released a joint statement calling on policymakers to require immediate, deep reductions in heat-trapping emissions that cause global warming. Issued just days before the Senate begins debate on the Lieberman-Warner climate bill, the statement marks the first time leading U.S. scientists and economists have joined together to make such an appeal.

An ever-present point of concern for the planet's future welfare, worries over damaging CO2 emissions could soon be a thing of the past thanks to a University of Calgary climate change scientist who's developed a machine capable of removing CO2 from the air. More pointedly, David Keith and a team of researchers working out of the University of Calgary have been diligently looking for a way to capture harmful greenhouse gas carbon dioxide (CO2) directly from the air by utilising "near-commercial" technology.

A new technique could pave the way for improving the workhorse lithium ion battery used in automobiles, cell phones and other devices so that it can recharge in seconds RAPID RECHARGE: Scientists tweaked a battery material to permit a super-quick flow of charge-carrying ions in and out. A new twist on the familiar lithium ion battery has yielded a type of power-storing material that charges and discharges at lightning speed. The finding could offer a boost for plug-in hybrid and electric vehicles and possibly allow cell phone batteries to regain a full charge in seconds rather than hours. Scientists at the Massachusetts Institute of Technology (M.I.T.) report in Nature today that they devised a way for lithium ions in a battery to zip in and out about 100 times faster than previously demonstrated. "We took a basically great material called lithium iron phosphate [LiFePO4] and we tried to improve it further," says study author Byoungwoo Kang, a graduate student in M.I.T.'s Department of Materials Science and Engineering.

Scientists have found that a polymer material is an excellent catalyst in a process to produce hydrogen fuel using sunlight and water. The material meets the basic requirements for an ideal catalyst -- including being abundant, easy to work with, and non-toxic -- and could help this "green" alternative-energy production method become mainstream. Creating hydrogen gas by splitting water (H2O) molecules with solar energy is a promising way of generating hydrogen fuel, which, by either being burned directly or used in fuel cells, can power many types of vehicles, including automobiles, buses, and even airplanes. The study's corresponding scientist is Xinchen Wang, a chemist affiliated with the Max-Planck Institute of Colloids and Interfaces in Potsdam, Germany, and Fouzhou University in Fouzhou, China.

When the tobacco industry was feeling the heat from scientists who showed that smoking caused cancer, it took decisive action. It engaged in a decades-long public relations campaign to undermine the medical research and discredit the scientists. The aim was not to prove tobacco harmless but to cast doubt on the science.

KINGSTON, Ontario, Jun 25 (IPS) - North America's abject failure to meet the challenge of climate change has been "un-American", environmentalist and scientist David Suzuki told delegates Tuesday at the World Wind Energy Conference, the first ever in the region. "We're facing an ecological crisis, a crisis far, far worse than Pearl Harbour," Suzuki said. Twenty years ago this week, one of the United States' leading scientists warned Congress of the imminent danger of climate change and said that waiting decades to take action was too risky. Now James E. Hansen of the National Aeronautics and Space Administration has published new research indicating that greenhouse gas concentrations have pushed the climate near a dangerous tipping point that will unleash far-reaching changes in the atmosphere and oceans that could take millennia to reverse.

A team of Chinese scientists has made a chemical breakthrough that efficiently turns the lignin in waste products such as sawdust into the chemical precursors of ethanol and biodiesel.

The nature has paid the price for extraordinary expansion of human civilization; the non-renewable energy resources of the world have been nearly exhausted. Now scientists all over the world are trying to work out a solution to make up the energy shortage that the human civilization is going to face in the coming years. Among many other products under development, the scientists have invested great hopes in the potentials of wind powered electricity generators. This is a system that harnesses the power of the wind to produce usable energy.

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The technology can generate electricity in water flowing at a rate of less than one knot - about one mile an hour - meaning it could operate on most waterways and sea beds around the globe. Existing technologies which use water power, relying on the action of waves, tides or faster currents created by dams, are far more limited in where they can be used, and also cause greater obstructions when they are built in rivers or the sea. Turbines and water mills need an average current of five or six knots to operate efficiently, while most of the earth's currents are slower than three knots.

(NaturalNews) Scientists have increasingly warned that a hasty switch from fossil fuels to biofuels may actually accelerate global warming rather than helping to avert it, leading U.K. Prime Minister Gordon Brown to declare his opposition to new European Union biofuel standards that will soon be going into effect.

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.

The 25-percent-by-2025 renewable electricity standard bill introduced today by Rep. Edward Markey (D-Mass.) and Rep. Todd Platts (R-Pa.) would boost renewable energy generation by 135 percent above and beyond current policies between now and 2025, according to the Union of Concerned Scientists' preliminary analysis of the legislation. "This electrifying standard would provide a smart, proven, cost-effective strategy to ramp up our clean energy use, create tens of thousands of jobs, and lower consumer utility bills," said Alan Nogee, UCS Clean Energy Program director. "The clean energy tax incentives that Congress is finalizing will get us moving in the right direction in the near term, and the renewable energy standard makes sure we stay on that path for the foreseeable future."