A new technique that tapped previously inaccessible supplies of natural gas in the United States is spreading to the rest of the world, raising hopes of a huge expansion in global reserves of the cleanest fossil fuel.
Italian and Norwegian oil engineers and geologists have arrived in Texas, Oklahoma and Pennsylvania to learn how to extract gas from layers of a black rock called shale. Companies are leasing huge tracts of land across Europe for exploration.




The former Prime Minister Tony Blair was told today he had "blood on his hands" by a bereaved father at a reception following a memorial service for those killed in Iraq.
Scientists say they have made a dramatic breakthrough in understanding the cause of chronic fatigue syndrome – a debilitating condition affecting 250,000 people in Britain which for decades has defied a rational medical explanation.
The UN's climate chief has warned that time is running out for negotiators to agree on crucial targets for reducing greenhouse gas emissions.
A House intelligence committee meeting was abruptly terminated when Justice Department officials refused to be sworn in before briefing the lawmakers.
Reporting from Denver - Interior Secretary Ken Salazar said Thursday that only 17 of 77 oil and gas leases on Utah public lands that the Bush administration auctioned off in December were valid and that his agency would prevent development on the remaining parcels, at least in the near future.
Women are far more likely than men to be kicked out of the military under the "don't ask, don't tell" policy against gays in uniform, according to government figures released Thursday that critics said reflect deep-seated sexism in the armed forces.
Los Angeles County District Attorney Steve Cooley said today that all the medical marijuana dispensaries in the county are operating illegally, and that "they are going to be prosecuted."
American soldiers serving in Afghanistan are depressed and deeply disillusioned, according to the chaplains of two US battalions that have spent nine months on the front line in the war against the Taleban.





























