Toxic methane appears to be bubbling up from ocean vents off the Washington and Oregon coast.
This is according to a new study which claims warming ocean temperatures a third of a mile below the surface are triggering the bubbles.
At this depth frozen pockets of methane 'ice' transition from a dormant solid to methane gas - believed to be the second-largest greenhouse gas contributor to climate change.
As reported in the Daily Mail on 14th of October, 2015
Original Newswise release from University of Washington: http://www.newswise.com/articles/bubble-plumes-off-washington-oregon-suggest-warmer-ocean-may-be-releasing-frozen-methane
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Geochemistry, Geophysics, Geosystems; Daily Mail