Global Methane Tracker 2023
International Methane Emissions Observatory (2022), Estimate of Total Methane Emissions from the Nord Stream Gas Leak Incident – Draft Working Paper https://wedocs.unep.org/handle/20.500.11822/41838;jsessionid=913133C612BA1C481B37B0B8DEC99542. Department of Environmental Protection of Pennsylvania (2022), Equitrans Rager Mountain Order https://files.dep.state.pa.us/RegionalResources/SWRO/SWROPortalFiles/Equitrans_Rager_Mountain_Order_12-8-2022.pdf. Kayrros (2022), Methane Watch https://www.kayrros.com/.
Nord Stream emissions are the central estimate from the 75-230 thousand tonne range provided by the International Methane Emissions Observatory. Equitrans emissions estimate based on data from the Department of Environmental Protection of Pennsylvania. Other leaks detected by Sentinel-5P with emissions estimates from Kayrros.