Mario and the Hole in the Sky conservation Paperback w/flaps

Paperback w/flaps

Everyone has a favorite

" We learn about how young Lonnie made model rockets--and rocket fuel ("When it caught fire in the kitchen

thus predicting whether winter will continue or if spring will come early

Mario and the Hole in the Sky conservation Paperback w/flapsMario and the Hole in the Sky How a Chemist Saved Our Planet By: Elizabeth Rusch Illustrated by: Teresa Martnez We saved the planet once. We can do it again. Growing up in Mexico City, Mario Molina was a curious boy who studied hidden worlds through a microscope. As a young man in California in the 1980s, he discovered that CFCs, used in millions of refrigerators and spray cans, were tearing a hole in the earth's protective ozone layer. Mario knew the