National average hovers around $2 a gallon
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BBC: About three-quarters of the world’s fossil fuel reserves must be left unused if society is to avoid dangerous climate change, scientists warn. More than 100 nations support the goal of keeping temperature rise below 2C. But the scientists say that without major curbs on fossil fuel use, 2C will probably be reached […]

Independent (UK): The world will overshoot its long-term target on greenhouse gas emissions within two decades. A study has found that the average global temperature will rise above the threshold that could cause dangerous climate change during that time. Scientists have calculated that the world has already produced about a third of the total […]

Telegraph: The Wilkins Ice Shelf had been stable for most of the last century, but began retreating in the 1990s. Researchers believe it was held in place by an ice bridge linking Charcot Island to the Antarctic mainland. But the 127-square-mile bridge lost two large chunks last year and then shattered completely on April […]

SciDev.Net: Scientists hope a new approach to assessing carbon build-up in the atmosphere will simplify issues for policymakers and economists. Two papers published in Nature today (29 April) show that the timings of carbon emissions are not relevant to the debate — it is the total amount of carbon dioxide emitted over hundreds of […]

Business Green: President Obama this week completed his first 100 days in office much as he began them, by reversing controversial regulations passed by the Bush administration that sought to relax US environmental rules. The White House announced on Tuesday that it had formally overturned an eleventh hour regulation passed in the dying days […]

Geelong Advertiser: FUEL-REDUCTION burns will increase fire risk in the Otways, according to Melbourne University experts. Professor David Karoly and Dr Kevin Tolhurst last week held a bushfire seminar attended by Apollo Bay resident Simon Pockley. Dr Pockley chairs the Southern Otway Landcare Network and co-chairs the Otway Ranges Climate Action group. […]

Reuters: A legal loophole is allowing traders to influence the price of carbon permits in Europe’s emissions trading scheme, and indirectly wholesale electricity prices too. Market participants say that financial speculators have exploited recent volatility in European carbon permits to exaggerate price moves, and there is some evidence that individual traders are trying to […]

Greenwire: FedEx Corp. will attempt to get 30 percent of its fuel from petroleum alternatives by 2030 to slash the shipping giant’s air-transportation costs and greenhouse gas emissions, the company’s chairman, president and CEO said today. Biodiesel derived from jatropha, ethanol from switchgrass, and other "second-generation" biofuels produce less emissions of carbon dioxide and […]

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Original post by miscellaneous

Reuters: The UK government is to launch an environmental study on marine energy projects in England and Wales, paving the way for commercial wave and tidal devices to be deployed. Lord Hunt, Climate Change Minister, told a conference the government would start screening for the Strategic Environmental Assessment for marine energy in the two […]

Business Green: After years of barely concealed antipathy, the RSPB and the wind energy industry have today put the symbolic seal on their recent cessation of hostilities with the installation of the first RSPB wind turbine. The small-scale 15kW turbine has been installed at the RSPB’s Rainham Marshes visitor centre in Purfleet, Essex, and […]

Reuters: U.S. lawmakers on Thursday will consider legislation that would allow the federal government to override state objections to establishing corridors for new electricity transmission lines. The draft proposal from the Senate Energy and Natural Resources committee would give states one year to provide sites for high-priority national transmission projects. If states do […]

Guardian: It costs £45 in hardback. It has a crashingly dull cover and title. And it has been launched without marketing pizazz. But a new academic book written by David MacKay, a physics professor at the University of Cambridge, is being hailed by some as a "game changer": a text that could revolutionise popular thinking […]

Yale Environment 360: In the high desert of southern Spain, not far from Granada, the Mediterranean sun bounces off large arrays of precisely curved mirrors that cover an area as large as 70 soccer fields. These parabolic troughs follow the arc of the sun as it moves across the sky, concentrating the sun’s rays onto […]