Dual concentrator Liza Marcus ’26 is unraveling the complex chemistry of nitrogen oxides and ozone in the atmosphere — work that could improve air quality predictions and inform environmental policy.
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Department of Earth, Environmental & Planetary Sciences
Meredith Hastings
George Ide Chase Professor of Physical Sciences, Chair
GeoChem Building
Room 139
Room 139
Research Interests
Environmental Science, Geochemistry, Earth History, Oceans Ice and Atmospheres
Biography
My research focuses on the reactive nitrogen cycle, with an emphasis on nitrate deposition. I have a joint appointment with Geology and IBES.
Recent News
News from DEEPS
Meredith Hastings receives the 2026 ERM Award
DEEPS is proud to announce that Department Chair and George Ide Chase Professor of Physical Sciences Meredith Hastings is this year's recipient of the Meenakshi Narain Excellence in Research Mentoring (ERM) Award.
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In this video, DEEPS Chair Meredith Hastings (George Ide Chase Professor of Physical Sciences and Professor of Environment and Society), and Jesus Holguin, Executive Director and Programming Steward of the Racial & Environmental Justice Committee in Providence, speak powerfully to their experience building a research collaboration grounded in shared power and ownership, trusting relationships, and knowledge held by communities as well as academics.
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Data from flood sensors that track coastal and roadway flooding, along with air-quality readings and weather information, are freely available to the public through a new dashboard.
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Providence Business News
Air quality in R.I. a problem that just won’t blow over
DEEPS Chair, Professor Meredith Hastings discussed the air quality in Providence, as monitored through her Breathe Providence project.
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ecoRI News spoke with experts about the risks that Rhode Island will face going forward as heat waves hit more frequently and for longer periods. DEEPS Chair Meredith Hastings commented, noting that when it’s hot outside, air quality tends to get worse. “Under hotter conditions we speed up reactions,” she said. “That can lead to the faster production of secondary pollution.”
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