Mario J. Molina
Mario J. Molina (born March 19, 1943) is a Mexican chemist who won a Nobel Prize in Chemistry in 1995. This was because, in the 1970s, he was one of the scientists who discovered that there was a hole in the ozone layer in the Earth's atmosphere. He is the first Mexican to receive the Nobel Prize in Chemistry.
Molina was one of 20 Nobel Laureates who signed the "Stockholm memorandum" at the 3rd Nobel Laureate Symposium on Global Sustainability in Stockholm, Sweden on 18 May 2011. Molina spearheaded a committee of the American Association for the Advancement of Science which released a stark report on global warming March 2014.