Clarice Bean needs a science project or she's in BIG trouble. Her brother Kurt just wants to save the planet. And now they're both up a tree. "Sometimes I think gravity is a pity," says Clarice Bean, who is learning all about planet Earth in school. When Mrs. Wilberton assigns a project called The Environment, Clarice's ever-active brain leaps to the holes in the sky caused by her sister's hairspray, and to the nature safari that's in her brother's...