The decision followed a diplomatic row that was sparked three months ago when a son of Libyan leader Muammar Gaddafi was arrested in Geneva on July 15 and charged with mistreating two domestic employees.

The agreement will open the door for U.S. companies to provide billions of dollars of equipment and expertise to the Indian nuclear power industry.

WWF regrets, however, that the European Union has not committed yet to a binding target reducing primary energy consumption by 20% by 2020 to boost energy conservation in all sectors. Although it was discussed by the European Council in 2007, so far this objective is only applied by European countries on a voluntary basis.

It puts the annual cost of forest loss at between $2 trillion and $5 trillion.

A study released by Bernstein Research of New York this week argues that oil prices will remain linked to the cost of producing supplies from difficult but crucial fields deep offshore and elsewhere, a cost the research firm puts at between $75 and $80 a barrel. By 2012, the firm said, that cost likely will have jumped to $105 a barrel.

The Arctic has become more stormy in the past 50 years due to the warming climate, which in turn has quickened the pace of drifting sea ice, a new NASA study finds.

"Those companies that are able to keep costs under control continue to do okay. Those that can't are in a world of hurt," said Rick Kment, analyst at DTN in Nebraska.

Corn ethanol caught the imagination of U.S. policymakers as a way to fix multiple problems: rising oil prices, dependence on foreign oil and fossil fuel pollution. But the use of corn for ethanol is now embroiled in controversy, being held responsible by critics for recent spikes in food prices that spurred riots in some countries.

"I don't think it would do that (cut off supplies). It hasn't done that to Western Europe in the past and I don't think it's going to do it intentionally," C. Boyden Gray said.

Experts say no because most drivers assume the dip in prices will be short-lived, and motorists have adjusted their habits accordingly.

"The concept of alternative energy has a lot of momentum," said Dan Pickering, head of research for Tudor, Pickering, Holt & Co. Securities in Houston. "But lower oil prices make it harder to justify investment. At $50 a barrel, a lot of that investment will die."

Taina Honkalehto, a research fishery biologist with the U.S. National Marine Fisheries Service, said pollock biomass in U.S. waters was down to 940,000 tons from 1.8 million tons last year.

That would be a departure from a long-held public perception that flying -- while increasingly expensive -- still makes sense because the cost of driving is almost as bad and driving takes longer.

Tripoli wants to increase output to 3 million barrels of crude oil per day by about 2012 from 1.7 million now, raising extra revenues to help rebuild infrastructure that is crumbling after years of sanctions.

Among companies with units off line are Petro-Canada (nyse: PCZ - news - people ) , whose Edmonton, Alberta, refinery has been in a major turnaround since this summer, and Suncor Energy Inc (nyse: SU - news - people ), whose oil sands plant is currently pumping none of the fuel, officials with the refiners said.