# Geoengineering may expose plane passengers to sulphuric acid

A new study warns that stratospheric aerosol injection, a proposed geoengineering method to cool the planet, could release sulphuric acid particles that pose a health risk to airline passengers. The findings highlight a previously overlooked safety concern for aviation as debates continue over the viability of climate intervention technologies.

**Importance:** 3/5

## Sources

### Science
- [New Scientist](https://www.newscientist.com/article/2532757-geoengineering-could-expose-plane-passengers-to-sulphuric-acid/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home) — Thu, 02 Jul 2026 16:05:44 +0100