Sign the Open Letter

Please sign as an academic if you hold a PhD degree or equivalent or are working towards a PhD degree.

After you fill your name and e-mail, hit continue to add your academic affiliation. Please complete exactly as you would like your affiliation to be displayed.

The list of signatories will be updated within 1 week.

*This will not be made public and will only be used by the International Non-Use Agreement on Solar Geoengineering to send you important updates on this initiative.