2023 Was Hottest Year On Record | The NASA Satellite Studying Plankton
The World Meteorological Organization’s report confirms last year had the highest temperatures on record and predicts an even hotter 2024. Also, NASA’s new PACE satellite will study how these tiny creatures could affect Earth’s climate, and how aerosols influence air quality.
UN Report Confirms 2023 Was Hottest Year On RecordA new report from the United Nations’ World Meteorological Organization shows that last year had the hottest average global temperatures since recording began 174 years ago. Ocean temperatures also reached a 65-year high last year, and 2024 is on track to be even hotter.
Ira talks with Jason Dinh, climate editor at Atmos Magazine about that and other top science news of the week including cannibal birds, fighting Dengue fever with bacteria-infected mosquitos and the evolutionary benefit of whale menopause.
Why This NASA Satellite Is Studying PlanktonDid you know you can see plankton … from space? Earlier this year, NASA launched a satellite to do exactly that. It’s called PACE, which stands for Plankton, Aerosol, Cloud, and ocean Ecosystem, and NASA hopes that the satellite can tell us more about how these tiny creatures interact with Earth’s atmosphere and influence our climate.
Some species of plankton, called phytoplankton, are microscopic plants that absorb carbon dioxide and produce oxygen. PACE has equipment that can identify different species of phytoplankton by the kind of light they give off, giving NASA real-time information about their location and population size, which can also aid fisheries and coastal communities when algal blooms occur.
PACE will also study how aerosols affect air quality on Earth. Additional instruments on the satellite can differentiate between different kinds of aerosols by studying how they reflect light back into space, which will help scientists refine their climate models so that more accurate forecasts can be made.
Ira Flatow talks to Dr. Ivona Cetinic, PACE’s science lead for ocean biogeochemistry, about the satellite, her favorite species of plankton, and how the public can benefit from the data that the mission will provide.
Transcripts for each segment will be available the week after the show airs on sciencefriday.com.
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