Contrails conjure a sense of something overwhelming and ineffable, as terrifying as it is beautiful. By Kate Folk I spend most days working from home, in my apartment in San Francisco’s Richmond ...

Suggested Citation: "1 Overview." National Academies of Sciences, Engineering, and Medicine. 2025. Developing a Research Agenda on Contrails and Their Climate Impacts. Washington, DC: The National ...

Four research figures show how contrails appear in two satellite views (left) and two photographs taken from the MIT Green Building. Aviation’s climate impact is partly due to contrails — condensation ...

As Covid-19’s initial wave crested around the world, travel restrictions and a drop in passengers led to a record number of grounded flights in 2020. The air travel reduction cleared the skies of not ...