Ask a bunch of kids a question, you'll never come up short on answers -- incisive, unpredictable and encouragingly earth-friendly. (I asked thousands of kids 24 questions when I was putting together my latest book, Kids Make It Better: A Write-in, Draw-in Journal.) Last week, I asked this one: "If you could give the earth anything this holiday season, what would it be?" By Theona, age 6   A new atmosphere because ours is breaking. -- Bud, age 7             By Sam, age 5   A museum as tall as the Statue of Liberty with …