Department of Housing, Local Government and Heritage

In the period of 01/01/2023 to 29/04/2025. Request for the following: - 1. Any known or suspected solar radiation management (SRM), stratospheric aerosol injection (SAI), or other geo-engineering activities occurring in or affecting the airspace over Ireland. 2. Any cooperation or communications with UK governmental or research bodies regarding SRM or geo-engineering programs that may affect Irish airspace or environment. 3. Monitoring data or environmental assessments concerning atmospheric aerosol levels, persistent aircraft trails (contrails), or any unusual changes in atmospheric composition or cloud formation potentially attributable to artificial interventions. 4. Any internal memos, scientific assessments, or correspondence related to public or governmental concerns about geoengineering in Ireland.