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141 result(s) for "Molina, Mario J."
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Mario and the hole in the sky : how a chemist saved our planet
\"The true story of how Mexican-American scientist Mario Molina helped solve the ozone crisis of the 1980s and went on to become a Nobel laureate and a recipient of the Presidential Medal of Freedom. His inspiring story gives hope in the fight against global warming\"--Publisher's description.
Mario Molina (1943–2020)
Molina's tireless advocacy and scientific diplomacy helped to bring about the 1987 Montreal Protocol on Substances that Deplete the Ozone Layer, an international agreement to phase out CFCs and other ozone-depleting chemicals. The Montreal Protocol, the first United Nations treaty to achieve universal ratification, reduced stratospheric chlorine and bromine, and the ozone hole has begun to recover. Molina and his research group, then at the Jet Propulsion Laboratory in Pasadena, California, did creative experiments to mimic PSC particles: reactions between ice surfaces and chlorine compounds led to the release of chlorine.
Presidential medal of freedom recipients
The year 2013 also marked the 50th anniversary of this award, first instituted by President John F. Kennedy in 1963, as the nation's highest civilian honor, \"presented to individuals who have made especially meritorious contributions to the security or national interests of the United States, to world peace, or to cultural or other significant public or private endeavors.\"