Global methane emissions from the oil and gas sector fell by 10 percent year over year in 2020, but the industry and policy makers shouldn’t be complacent because the reduction was largely the result of the decline in oil and gas production due to the pandemic shock, the International Energy Agency (IEA) said in a new report on Monday. Methane is a much more potent greenhouse gas than carbon dioxide (CO2), although it stays for much shorter periods of time in the atmosphere—around 12 years, compared with centuries for CO2. Methane,…