Join the California State Parks Foundation and REI in April as they encourage you to take care of the state parks and open spaces in your community in honor of Earth Day. Signup to receive your FREE DIY Climate Action Kit for Environment Day. Starting on April 1, kits will be available for pickup at your neighborhood REI! A compostable trash bag, a special Earth Day sticker and magnet, a REI coupon, and all the information you need to take climate action for California state parks are included in each kit.