Scientific Understanding

ICAO Standards and guidance material on environmental issues are always founded on scientific consensus. As a consequence, in support of a data-driven decision making process, ICAO is constantly monitoring the evolution of scientific knowledge related to the impacts of aviation on the environment.

This is in line with provisions from the ICAO Resolution A39-1, where the ICAO Assembly invites States and international organizations to provide the necessary scientific information and data to enable ICAO to substantiate its work in this field; and encourages the Council to continue to cooperate closely with international organizations and other UN bodies on the understanding of aviation impacts on the environment and on the establishment of policies to address such impacts.

"White papers" containing the state of science on the environmental impacts of aviation were provided in the latest versions of the "ICAO Environmental Report", as follows:

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