It’s Earth Day! / by Mercer Mayer. - New York: Harperfestival, c2008 - 1 v. (unpaged) : col. ill. ; 21 cm. - The new adventures of Mercer Mayer’s Little Critter .

After Little Critter learns about Earth Day in school, he does everything he can to help protect the environment and save the polar bears from global warming, but he gets discouraged when his Climate Control Machine fails to work.


Little Critter (Fictitious character) --Juvenile fiction.
Earth Day --Fiction.
Environmental protection --Fiction.
Global warming --Fiction.
Earth Day --Fiction. sears
Environmental protection --Fiction. sears
Greenhouse effect --Fiction. sears
Earth Day --Juvenile fiction.