Article
Global Methane Emissions From Wetlands, Rice Paddies, and Lakes
EOS, Transactions American Geophysical Union
(2009)
Qianlai Zhuang, John M. Melack, Sergey Zimov, Katey Marion Walter, et al.
The current concentration of atmospheric methane is 1774±1.8 parts per billion, and it accounts for 18% of total greenhouse gas ...