The report, "Environmental and Energy Sustainability: An Approach for India", identified clean power and energy-efficiency measures as having the largest potential impact on emissions, with the capability to reduce CO2 output 28 to 34 per cent by 2030.

U.S. start-up Joule Biotechnologies hopes to make commercial amounts of motor fuel by feeding engineered organisms high concentrations of carbon dioxide and sunlight, its top executive said.

The Cape Cod resort area, famous for sandy beaches and centuries-old fishing villages, could in the next few years claim a new title of home to the United States' first offshore wind farm.

Africa's Lake Kivu contains vast quantities of gas, which makes it both dangerous and valuable. Anjali Nayar asks whether it is possible to tap the gas without causing a disaster.

The Environmental Protection Agency on Thursday said it was extending the comment period on a draft rule that aims to cut greenhouse gases emitted by biofuels.

The proposed changes to the 2007 U.S. Renewable Fuel Standard attempt to make production of corn-based ethanol more efficient and increase output of advanced biofuels.

The dramatic growth in wind turbines around the British Isles may lead to huge spikes in power prices by 2030 and threaten the viability of backup plants needed for calm periods, according to Poyry Energy Consulting.

Current trends in energy supply and use are clearly unsustainable

Two of the nation

Germany's lower house of parliament on Thursday gave final approval to government proposals to cut the target amount of biofuels to be blended into fossil fuels this year.

The lower house approved a plan to cut the 2009 blending target to 5.25 percent biofuel content in fossil fuel in 2009 from the 6.25 percent originally intended.

The Australian Competition and Consumer Commission has been asked to investigate alleged "misleading and deceptive conduct" by a group of companies over public statements on the impact of a proposed carbon pollution reduction scheme.

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