Overview

• The EPA launched an online guide explaining how contrails form when jet exhaust condenses in cold, high-altitude air.
• The agency defined “chemtrails” as a misnomer alleging routine contrails are intentional releases of harmful chemicals or biological agents.
• A companion page outlines current solar geoengineering research and highlights potential environmental and human health risks.
• EPA officials affirmed they have no records of intentionally formed contrails for weather modification or geoengineering over the United States.
• Reactions ranged from conspiracy believers expressing confusion on social media to Rep. Marjorie Taylor Greene proposing legislation to ban atmospheric chemical releases.