See where contrails cover the sky now, check a flight’s contrail profile, and more – great map built by Contrails.org.

In August 2023, Google Research released this contrails site with a great video and graphics explaining Google’s work around mitigating contrails.

In March 2025, Contrails.org launched its website, emphasizing translating science into operations.

Contrails have existed for over 100 years, and their climate impact has been widely known since the 1990s. Explore historic contrail discoveries here.

This special report from the Intergovernmental Panel on Climate Change established a clear connection between condensation trails and the climate all the way back in 1999.

Contrails are discussed again in the Transport section of the IPCC Sixth Assessment Report from 2023.

See which airlines are publicly involved in contrails mitigation.

Here is a list of some of the academic institutions, commercial interests, and other organizations in the contrails mitigation ecosystem.