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This report provides a technical overview of the climate impact of aircraft contrails and the potential for mitigation through contrail avoidance and rerouting. It emphasizes the need for radical collaboration across the aviation sector to improve atmospheric data, refine prediction models, and integrate contrail management into air traffic operations.

This document is a Memorandum of Understanding (MoU) signed on 16 February 2023 between the World Meteorological Organization (WMO) and the Inter-American Institute for Global Change Research (IAI) to establish a framework for cooperation on global change and atmospheric science.