Michael Brendan McElroy (May 18, 1939 – January 8, 2026) was an Irish-born American scientist who was the Gilbert Butler Professor of Environmental Studies at Harvard University. Michael McElroy obituary Harvard Gazette accessed 24 February 2026 Michael McElroy obituary, Harvard Crimson/ accessed 24 February 2026 His research initially revolved around the origin and evolution of the planets to an emphasis on effects of human activity on the global environment of the Earth, especially climate change.American Academy of Arts and Sciences member profile accessed 6 June 2022
Life and career Born in Ireland and raised in Northern Ireland originally, he was educated at Queen's University Belfast, receiving a B.Sc. in applied mathematics in 1960, and completing his Ph.D. in applied mathematics in 1962.Michael McElroy - The Mathematics Genealogy Project accessed 6 June 2022
McElroy worked in atmospheric science at Harvard, and led atmospheric science and policy work. He headed Harvard University's Center for the Environment and chaired the Interfaculty Initiative on the Environment. In 1984 he won the George Ledlie prize for his work on planetary atmospheres. He served as Founding Chair of Harvard's Department of Earth and Planetary Sciences and has focused his research especially on effects of human activities on the global environment.
He recorded two audible books, The Modern Scholar: Global Warming, Global Threat (2004)The Modern Scholar: Global Warming, Global Threat Audible Book and Fueling the Planet: The Past, Present, and Future of Energy (2009). Fueling the Planet: The Past, Present, and Future of Energy. (2009) Audible Book
McElroy died on January 8, 2026, at the age of 86.Michael McElroy, pioneering atmospheric scientist, dies at 86
Selected publications Energy: Perspectives, Problems, and Prospects. (2010) Oxford: Oxford University Press. The atmospheric environment : effects of human activity. (2002) Princeton: Princeton University Press. Energizing China: Reconciling Environmental Protection and Economic Growth, co-authored with Chris P. Nielsen and Peter Lydon. (1998). Harvard University Center for the Environment, China Project. A 1984 paper he co-authored with Steven Wofsy and Michael J. Prather on potential non-linear destruction of the ozone layer helped persuade the United States Environmental Protection Agency to carry out a risk assessme nt of chlorofluorocarbons that laid the groundwork for the negotiation of the Montreal Protocol.
Honors James B. Macelwane Medal (1968) Fellow of the American Geophysical Union (elected 1971) American Academy of Arts and Sciences (elected 1972) American Academy of Arts and Sciences member accessed 6 June 2022 Royal Irish Academy (elected Honorary Member, Science 2009]Royal Irish Academy honorary member accessed 6 June 2022 American Geophysical Union 2024 William Bowie Medal
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