Biofuels Deemed a Greenhouse Threat
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The full emissions costs of producing biofuels are higher than those of producing of conventional fuels, scientists said.
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WASHINGTON -- A push from Congress and the White House for huge increases in biofuels, such as ethanol, is prompting the oil industry to scale back its plans for refinery expansions. That could keep gasoline prices high, possibly for years to come.
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As newspaper readers, you are probably becoming familiar with the term "offsets." Environmentalists, loath to add noxious carbon gases into the atmosphere, offset their fossil fuel consumption by investing in renewable energy sources.
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By Geoffrey Lean  Meet the world's top destroyer of the environment. It is not the car, or the plane,or even George Bush: it is the cow.   A United Nations report has identified the world's rapidly growing herds of cattle as the greatest threat to the climate, forests and wildlife.
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By Jay Burney  The newly proposed ethanol production facility, announced for downtown Buffalo, may carry with it some seriously negative environmental and economic consequences.  For instance, the U.S.
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By MICHAEL ASTOR RIO DE JANEIRO, Brazil - A proposed ethanol alliance that President Luiz Inacio Lula da Silva is expected to forge with President Bush later this week poses both opportunities and risks for the environment, a top U.N. environmental official said Monday.
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The board of the American Association for the Advancement of Science, the nation's leading general science organization, yesterday issued a consensus statement declaring global climate change "a growing threat to society."
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Biotechnology might be used to boost  the energy output of crops used in making renewable fuels, a  U.S. Agriculture Department advisory committee said on  Wednesday, noting the sharp rise in demand for the fuels.
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Making a bad problem worse The British government must set policies to ensure that the current drive towards biofuels does not make a bad situation even worse.â¦
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RIO DE JANEIRO, Jun 5 (IPS) - As a guest at the G8 summit this week in Germany,  Brazilian President Luiz InÃ¡cio Lula da Silva will present  arguments to convince the leaders of the world's eight  richest countries of the importance of biofuels in the fight  against global warming.
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In cutting across-the-board subsidies for biofuels, governments in Europe are discovering how difficult it can be to figure out whether a particular fuel has been produced in an environmentally friendly manner.
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Business & money: Site to make 420m litres of ethanol a year from 2009  but crops may cause harm to environment.
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By Ian Hoffman Barely a year ago, when President Bush first endorsed biofuels as an answer to the nations &quot;addiction to oil,&quot; scientists already were salivating at biologically engineering ordinary grasses and trees into full-blown energy crops.
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According to two studies published this week in Science, when all relevant factors are accounted for, biofuels produce more greenhouse gas emissions than fossil fuels.
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Proposals to be unveiled next week are aimed at enhancing the environmental credentials of biofuels like biodiesel or ethanol.
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Producing biofuels from a fast-growing grass emit up to 94% less carbon dioxide than petrol, a large-scale study finds.
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Growing capacity could break the heart of ethanol investors.