Climate-warming methane levels rose fast in 2007
WASHINGTON (Reuters) – Levels of climate-warming methane — a greenhouse gas 25 times as potent as carbon dioxide — rose abruptly in Earth’s atmosphere last year, and scientists who reported the change don’t know why it occurred.
Methane, the primary component of natural gas, has more than doubled in the atmosphere since pre-industrial times, but stayed largely stable over the last decade or so before rising in 2007, researchers said on Wednesday. (Full Article)
