Methane levels plateau
23rd 2006f November, 2006, PeterAtmospheric levels of methane, the second-most important greenhouse gas, appear to have stabilized, according to a report in the journal, Scientific American. This halt to the rise of methane levels may provide us with some breathing space in which to reduce CO2 emissions.
It not yet known the reasons for the plateau in methane levels, or how [...]

