Michael McElroy (scientist)


Michael Brendan McElroy was a Northern Irish-born American scientist who was the Gilbert Butler Professor of Environmental Studies at Harvard University. 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.

Life and career

From 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.
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 and Fueling the Planet: The Past, Present, and Future of Energy.
McElroy died on January 8, 2026, at the age of 86.

Selected publications

Honors