Methane Alert and Response System Snapshot: Top 50 emitters, country responses and mitigation - July 2026 Update

UNEP’s Methane Alert and Response System (MARS) integrates data from more than 30 satellites to alert countries of major methane emissions and enable action. This snapshot provides information on mitigation cases enabled and confirmed via MARS, country response rates to alerts, and the world’s 50 largest methane sources across sectors, as detected by satellites.