The International Compost Awareness Week Committee invites submissions for its annual poster contest. This year’s theme is “Compost! Feed the Soil that Feeds Us”. The winning poster will serve as the promotional piece of the 2026 International Compost Awareness Week and the winner will receive US$500. The contest is open to anyone from 9th grade (age 14) or older from anywhere in the world. The contest runs until 14 November 2025. About the poster contest