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Are contrails harmful to the environment?
Based on Science
Some contrails can contribute to global warming. Contrails—pure ice clouds (“cirrus”) that form from aircraft exhaust under specific cold conditions—can trap heat in the atmosphere, sometimes creating as much warming as the carbon dioxide released by burning jet fuel.
FAA Should Modernize its Safety Practices to Manage Emerging Hazards and Support Adoption of New Technologies
News Release
A new report explores how the Federal Aviation Administration can improve its safety risk management practices, foster a stronger safety culture in commercial aviation companies, and better position itself to oversee and regulate an industry facing transformative changes.
- Winners Selected for the TRB Airport Cooperative Research Program’s 2024-2025 University Design Competition for Addressing Airport Needs Jan 30, 2026 News Release
- Eight Winners Selected for the TRB Airport Cooperative Research Program Graduate Research Awards Oct 31, 2025 News Release
- New Report Provides Peer Review of FAA Study on Seat Dimensions and Passenger Evacuation Efficiency Jul 1, 2025 Media Advisory
- Actions from Federal Government Needed to Alleviate Air Traffic Controller Staffing Shortages at Many Facilities, Says New Report Jun 18, 2025 News Release
- Winners Selected for the TRB Airport Cooperative Research Program’s 2023-2024 University Design Competition for Addressing Airport Needs Aug 26, 2024 News Release
- Eleven Winners Selected for the TRB Airport Cooperative Research Program Graduate Research Awards Oct 5, 2023 News Release
- FAA Should Improve Substance Misuse Programs and Data Collection for Pilot and Flight Attendant Health and Safety, Says New Report Jun 27, 2023 News Release
- Eight Winners Selected for the TRB Airport Cooperative Research Program Graduate Research Awards Dec 9, 2022 News Release
- Most Airplanes Could Accommodate People to Travel Seated in a Personal Wheelchair, But Follow-on Safety, Feasibility Assessments Needed Sep 15, 2021 News Release
- Winners Selected for the 2020-2021 TRB Airport Cooperative Research Program University Design Competition for Addressing Airport Needs Jun 24, 2021 News Release
- New Report Charts Path Forward for FAA's Cybersecurity Workforce Jun 21, 2021 Media Advisory
- Eliminating Lead Emissions From Small Aircraft Will Require Concerted Efforts Across the Aviation Sector, Says New Report Jan 12, 2021 News Release
- TRB Announces 12 Awardees for the 2020-2021 Airport Cooperative Research Program Graduate Research Awards Oct 1, 2020 News Release
- NASA, Teamed with FAA, Industry, and Academia, Should Research Effects of Increased Drone Traffic on Privacy, the Environment, and Cybersecurity Feb 19, 2020 News Release
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NAS Building Guided Tours Available!
Participate in a one-hour guided tour of the historic National Academy of Sciences building, highlighting its distinctive architecture, renowned artwork, and the intersection of art, science, and culture.