Greenpeace Day
Observed
annually on September 15th (since 2011)
Dates
September 15th, 2022
September 15th, 2023
September 15th, 2024
September 15th, 2025
September 15th, 2026
Hashtags
Sources
Greenpeace Day is observed next on Monday, September 15th, 2025. It has been observed annually on September 15th since 2011.