Invisible plumes and ‘terrible pollution’: the reality of the US gas sites rated ‘grade A’

Exclusive: Guardian investigation into reliability of methane certification issued by MiQ reveals weakness of voluntary model

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rapidly expanding certification scheme run by a UK nonprofit and used by major gas companies may be understating the actual methane emissions it purports to certify, a Guardian investigation has found.

BP, ExxonMobil and EQT are among the producers that have turned to London-based MiQ to demonstrate that their US-produced natural gas complies with the European Union Methane Regulation, or EUMR, which aims to curb energy-related emissions.

The findings raise questions about whether third-party certification schemes can credibly demonstrate exporters’ compliance with the bloc’s new methane rules, an approach championed by the gas industry and now supported by the European Commission.