For public or elementary school libraries, check out this Simon & Schuster contest for kids age 5-10 years called I Can Save the Earth. Here are the details from their Web site:
“Hey Kids! Have you made an effort to help save the earth or protect the plants and animals on our planet? Enter the “I CAN SAVE THE EARTH!” Sweepstakes today. Tell us and other kids how you’re helping to save the environment, and you could win eco-friendly books from Simon & Schuster Children’s Publishing – and have trees planted in your name by Eco-Libris.”
Also check out Simon & Schuster’s new line of books called Little Green Books to help kids get interested in going green!