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Greta Shum

Greta Shum


Greta Shum is a Research Analyst/Multimedia Journalist at Climate Central. As part of the Research and Creative teams, ​she performs data analysis and produces written and multimedia content on the Climate Central and WXshift websites, with a focus on the changing world of technology, impacts, and solutions. Shum was formerly a Multimedia Journalism High Meadows Fellow at Climate Central.

Prior to joining Climate Central, Shum worked as a research fellow at the University of Bern, writing about detection and characterization of climates on extrasolar planets. She holds a B.A. in Comparative Literature and a certificate in Planets and Life from Princeton University.


Ocean Acidification Process Carbon dioxide (CO2) emissions from burning fossil fuels are making the world’s oceans more acidic.

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