International Compost Awareness Week (ICAW)

Theme for ICAW 2025:
Sustainable Communities Begin with Compost!

This theme was chosen with the goal of highlighting composting in all kinds of communities at any scale – from the backyard home composter to community composters, to large-scale facilities to all those who recognize the many benefits of using compost on our soils.

"Events to encourage and celebrate composting. All types of composting – from backyard to large-scale are promoted. Events include tours of compost facilities, school gardening programs, compost workshops, lectures by a well-known gardening expert, compost give-away days, to name just a few.

Click here to learn more about planning an event or to share information on your upcoming event."

More info

International Compost Awareness Week (ICAW) is the largest and most comprehensive education initiative of the compost industry. It is celebrated nationwide and in other countries each year during the first full week of May.

The goal of ICAW is to work together to raise public awareness on why we all should be composting our organics recycling and using compost. The program includes poster and video contests in the fall and activities and events held during the week in May. Throughout the week of ICAW, community, school, government and business events are held to encourage and celebrate composting - all types of composting – from backyard to large-scale.