claim: The increase in atmospheric methane, a greenhouse gas, in the latter part of the 20th century was explained as coming from expansion of grazing and rice cultivation, but the cause was found to be leaking gas pipelines in the Soviet Union which are now being properly managed and maintained.
evidence: In accordance with the IPCC and other natural gas emissions control groups, measurements had to be taken throughout the pipeline to measure methane emissions from technological discharges and leaks at the pipeline fittings and vents.
category: Atmospheric methane