Our Amazing Planet - 1/03/13, Douglas Main
A research cruise has discovered 40 previously unknown gas seeps on the seafloor off the U.S. East Coast. The plumes of gas are almost certainly methane, also known as natural gas, according to government scientists.
Methane is a potent greenhouse gas due to its ability to absorb heat, but the released gas is not likely to reach the ocean surface in significant quantities and affect the climate, said Carolyn Ruppel, a researcher with the U.S. Geological Survey, which collaborated in the research. Neither is the amount of gas likely to warrant commercial interest, she said.
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