SpongeBob celebrates the Earth with an eco-friendly 8 x 8 story! Includes easy green tips for kids! Right in time for Earth Day (April 22, 2009), SpongeBob is going green in this original, environment-friendly story packed with green goodness! When Mr. Krabs decides to open a pool outside the Krusty Krab to make some extra clams, he puts SpongeBob in charge of pool duty. But the weather doesn't seem to be cooperating, and it's still too cold to tempt people into swimming. So....SpongeBob decides to speed up the warm weather by pumping carbon dioxide into the environment. Little does SpongeBob know, he's messing with Mother Nature in a big way and bringing Global Warming on Bikini Bottom! Soon it's sweltering hot, and everyone has to pack up and move.