Environment Day in Ukraine is observed on the third Saturday in April, with the next celebration taking place on April 18, 2026. Established in 1999 by President Leonid Kuchma, this ecological observance aims to spread ecological knowledge, conserve protected areas, and improve the environment. Activities include tree planting, cleanups of recreational sites, and educational initiatives in schools and kindergartens. The event is organized at national, regional, and local levels by government agencies, non-governmental organizations, enterprises, and community activists. Ukrainians are encouraged to reduce energy use and waste production as part of their participation. Additionally, Ukraine observes World Environment Day on June 5.