Welcome to the Rethinking Schools Archives and Website Become a subscriber to read this article. Already a subscriber? Log in here. Preview of Article: Polar Bears on Mission Street Fourth graders take on climate change By Rachel Cloues Illustrator: David McLimans To read the rest of this article: Become a subscriber to read this article. Already a subscriber? Log in here. Included in: Volume 22, No.2 Winter 2007/2008