Dirtiest Oil and Gas Fields Are in Russia, Turkmenistan, Texas

Oil and natural gas fields in Russia, Turkmenistan and Texas are the most climate-damaging on Earth, according to a first-of-its kind analysis that looks at greenhouse-gas emissions across entire supply chains and finds they vary widely. The dirtiest fields emit more than 10 times as much carbon dioxide equivalent as the least emissions-intensive sites, it finds.

Released Thursday by the nonprofit Rocky Mountain Institute, the Oil Climate Index plus Gas (OCI+) web tool ranks 135 global oil- and gas-producing resources — which together account for half of the world’s supplies of those commodities — based on a full life-cycle analysis of their 2020 emissions. Russia’s Astrakhanskoye natural gas field has the biggest footprint ...