Mario and the Hole in the Sky

The true story of how a scientist saved the planet from environmental disaster--now in paperback!. Mexican American Mario Molina was a modern-day hero who helped solve the ozone crisis of the 1980s. Growing up in Mexico City Mario was a curious boy who studied hidden worlds through a microscope. As a young man in California he discovered that CFCs used in millions of refrigerators and spray cans were tearing a hole in Earth''s protective ozone layer. Mario knew the world had to be warned--and quickly. Mario went on to become a Nobel laureate and a recipient of the Presidential Medal of Freedom. His inspiring story gives hope in fighting the ongoing climate crisis.