Top global persistent methane sources mapped. South Sudan Sudd wetland 4.5 million tonnes per year. Turkmenistan coast oil and gas 3.5. Argentina Ibera wetland 3.3. China Liaoning other anthropogenic sources 2.9.
Top global persistent methane sources mapped. South Sudan Sudd wetland 4.5 million tonnes per year. Turkmenistan coast oil and gas 3.5. Argentina Ibera wetland 3.3. China Liaoning other anthropogenic sources 2.9.