The true story of how a scientist saved the planet from environmental disaster. Mexican American Mario Molina is 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 microscopeAs a young man in California, 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 world had to be warned--and quickly. Today Mario is a Nobel laureate and a recipient of the Presidential Medal of Freedom His inspiring story gives hope in the fight against global warming. Format Inbunden Omfång 40 sidor Språk Engelska Förlag Charlesbridge Publishing,U.S. Utgivningsdatum 2019-11-05 ISBN 9781580895811