
Greenpeace activists form the word hope as a question with their bodies, next to a giant life saver, during a demonstration near the site of the United Nations Climate Change Conference in Cancun, Mexico, Friday, Dec. 10, 2010. (AP Photo/Israel Leal)

In this image released by Greenpeace on Sunday Nov. 28, 2010, a giant balloon rises next to the Chichen-Itza pyramids in Mexico's Yucatan peninsula, Sunday Nov. 28, 2010. Facing another year without a global deal to curb climate change, the world's nations will spend the next two weeks in Cancun, Mexico, during the annual conference of the 193-nation U.N. climate treaty, debating how to mobilize money to cope with what's coming, as temperatures climb, ice melts, seas rise and the climate that nurtured man shifts in unpredictable ways. (AP Photo/Greenpeace)

Greenpeace activists wave windsocks as they campaign for the use of renewable energy Saturday, Nov. 27, 2010 in Pasay City, south of Manila, Philippines. The Filipino activists called on President Benigno Aquino III to commit to 50 percent renewable energy by 2020 as one of the solutions to fight climate change. (AP Photo/Pat Roque)

A submersible with professor Steve Ross inside is raised from the Gulf of Mexico onto Greenpeace ship Arctic Sunrise after exploring coral reefs on the floor of the Gulf off the coast of Louisiana on Saturday. (Associated Press)

**FILE** Indian policemen take away a protest banner as they detain a Greenpeace activist protesting against a nuclear bill near the Indian Parliament House in New Delhi, India, on Aug. 25, 2010. (Associated Press)

In this photo taken on Wednesday, July 21, 2010, and released by Greenpeace, a villager displays his hand coated in crude oil during cleanup efforts almost a week after a pipeline, owned by China Nation Petroleum Corp., exploded in Nanhaitun, Weitang Bay, China. China National Petroleum Corp. said Thursday the vital pipeline has resumed operations after an explosion caused the country's largest reported oil spill. Cleanup efforts, marred by the drowning death of a worker, continued over 165 square mile stretch of water blanketed in thick, dark oil Thursday, after an official warned the spill posed a severe threat to sea life and water quality. (AP Photo/Greenpeace, Jiang He)

In this photo taken on Wednesday, July 21, 2010, released by Greenpeace, mollusks are seen coated in crude oil, at the Guotai Water Products Farm, less than a mile away from the site of an oil spill, at Xingang Port in Dalian in northeast China's Liaoning province. China National Petroleum Corp. said Thursday the vital pipeline has resumed operations after an explosion caused the country's largest reported oil spill. Cleanup efforts, marred by the drowning death of a worker, continued over 165 square mile stretch of water blanketed in thick, dark oil Thursday, after an official warned the spill posed a severe threat to sea life and water quality. (AP Photo/Greenpeace, Jiang He)

In this photo taken Wednesday, July 21, 2010, and released by Greenpeace on July 22, 2010, an employee scoops up dead snails at the Guotai Water Products Farm, less than a mile away from the site of the oil spill at Xingang Port in Dalian in northeast China's Liaoning province. China National Petroleum Corp. said Thursday a vital pipeline has resumed operations after an explosion caused the country's largest reported oil spill. Cleanup efforts, marred by the drowning death of a worker, continued over 165 square mile stretch of water blanketed in thick, dark oil Thursday, after an official warned the spill posed a severe threat to sea life and water quality. (AP Photo/Greenpeace, Jiang He)

In this photo released by Greenpeace, a firefighter who was submerged in thick oil during an attempt to fix an underwater pump is brought ashore by his colleagues in Dalian, China, on Tuesday, July 20, 2010. Crude oil started pouring into the Yellow Sea off a busy northeastern port after a pipeline exploded late last week, sparking a massive 15-hour fire. The government says the slick has spread across a 70-square-mile stretch of ocean. (AP Photo/Jiang He, Greenpeace)