Earth Day Poster at end of The Earth Book by Todd Parr could be used as model for your class to come up with their own ten ways to help the Earth.
Each poster has 20 pieces with colors assigned per a color key. When finished the posters are approx. Kid love working together to see the finished picture!
Place this on a White board as a 'water cooler survey'. Earth Day poster (boy and girl) for bulletin boards - have students draw/write ways to reduce, reuse, and recycle
Handmade Posters on Earth Day