Cutting Aircraft Contrails Could Help Reduce Aviation Emissions Cutting aircraft contrails or nitrogen oxide emissions can offset small increases in carbon dioxide.

Aviation one of the most emissions-intensive activities 10% of people fly but demand to double by 2050 Innovators working on contrail avoidance and scaling of genuinely sustainable aviation fuels ...

A new law going into effect July 1 seeks to ban weather modification (such as cloud seeding and the rumored "chemtrails") and geoengineering.

Contrails usually disappear within minutes, but under the right conditions, they can hang around and spread out. When they do, they can resemble high-altitude clouds and even affect weather and ...