RT null T1 Airborne Measurements from the Nord Stream Gas Leaks A1 United Nations Environment Programme, K1 gas leakage K1 methane K1 emission level YR 2024 FD 2024-10 LK https://wedocs.unep.org/handle/20.500.11822/46493 UL https://wedocs.unep.org/handle/20.500.11822/46493 NO UNEP’s International Methane Emissions Observatory supports measurement and research studies around the world to close the knowledge gap on methane emissions and provide policy-relevant insights to decisionmakers. The following study provides insights related to: Airborne measurements using HELiPOD reveal high methane emission rates persisted over the Nord Stream pipeline leak sites weeks after leaking had ceased. DS UN Environment Document Repository RD Sep 21, 2026