David Hastings is a marine scientist.
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Marine heat waves are causing record-breaking ocean temperatures that kill animals and impact ocean-based industries.
David Hastings is a marine scientist with three decades of experience in scientific research, teaching, and mentoring students. His research includes over 40 peer-reviewed scientific publications on climate science, plastics in the marine environment, paleoceanography, chemical oceanography, and impacts of the Deepwater Horizon Oil spill. His work involves producing and using the best science, is inspired by environmental sustainability, and is grounded in social justice and equity.
As a scientist engaged in the community, David has been invited to speak at more than 50 events, including a keynote speaker for the St. Petersburg March for Science. He engages actively in policy conversations regarding climate change with the public and with elected officials.
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David Hastings Marine Science | January | 2025
Marine geochemistry is a fascinating discipline that explores the chemical processes shaping the oceans and their interactions with the Earth’s crust, atmosphere, and biosphere. From understanding the carbon cycle to analyzing nutrient distributions, marine geochemists play a critical role in deciphering the complexities of aquatic systems. At the heart of this scientific inquiry lies a fundamental tool: mathematics.
Mathematics serves as a language and a framework for interpreting the data and processes central to marine geochemistry. But how essential is it for marine geochemists to be skilled in mathematics? Exploring its applications, challenges, and benefits reveals how integral this discipline is to advancing the field.
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Co-authors: Maickel Armenteros, Diana Marzo Perez, José Andrés Pérez-García, Patrick Schwing, Alexei Ruiz Abierno, Misael Diaz Asencio, Rebekka A. Larson, Gregg R. Brooks, Adolfo Gracia and Adolfo Gracia Steven Murawski | Thalassas: An International Journal of Marine Sciences | March | 2024
Deep-sea offshore northwestern Cuba is the less studied zone of the Gulf of Mexico (GoM). Our study aimed to set an environmental baseline and investigate a potential west-east gradient of sediment properties and nematode diversity along the northwestern Cuba. Sediments were collected by multicorer at nine sites in the insular slope between 974 and 1682 m depth. Sediment texture and composition showed a west-east gradient caused likely by narrowing of shelf width and increasing of downslope transport of terrigenous material. We found clear signatures of heavy metal pollution likely derived from Havana City but also from open-sky mining (Castellanos mining complex) and port dredging operations (Mariel).
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What’s more, this so-called “Authority” is prohibited by law from considering the climate crisis or our neighbors’ energy burdens. Your vote this November will determine how Gainesville manages our response to the rapidly changing climate. Last week, the massive climate impacts from Hurricane Helene reminded us of the enormous costs of continuing to burn fossil fuels.
Dissolving the GRU Authority is a necessary first step toward reversing the implementation of several controversial bad decisions made by the GRU Authority.