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![Scripps CO2 Group Director Ralph Keeling](/sites/default/files/styles/200px/public/communications-content/field_crop/400-siocomm_a_keeling_co2sampling_3-20-2018_017_1_0.jpg?itok=5tq-Xei9)
Research Highlight: Carbon Dioxide Levels Hit Record Peak in May
Monthly average surpassed 414 parts per million at Mauna Loa observatory
![Scripps CO2 Group Director Ralph Keeling](/sites/default/files/styles/200px/public/communications-content/field_crop/400-siocomm_a_keeling_co2sampling_3-20-2018_017_0.jpg?itok=Y8XhVgmE)
Carbon Dioxide Levels Hit Record Peak in May
Monthly average surpassed 414 parts per million at Mauna Loa Observatory
![](/sites/default/files/styles/200px/public/2020-08/ross_ice_shelf_0.png?itok=NVVcFQvU)
Study Uncovers Surprising Melting Patterns Beneath Antarctica's Ross Ice Shelf
Casts new light on threats to Antarctica’s largest ice shelf
![Scripps graduate student Travis Courtney. Photo by Lark Starkey.](/sites/default/files/styles/200px/public/communications-content/field_crop/travis_portrait_photo_by_lark_starkey_0.jpg?itok=xQgqFxbE)
Scripps Student Spotlight: Travis Courtney
Geosciences graduate student is researching how climate change is affecting coral reef structures
![The seaweed Digenea simplex on the beach.](/sites/default/files/styles/200px/public/2020-08/Digenea_simplex_beach.jpg?itok=aGFkgYv-)
Scientists Develop New Production Method for Seaweed Chemical Used in Brain Research
Researchers find an affordable and effective way to produce kainic acid, an important natural chemical used by neuroscientists
![A woman holds a flask of seaweed in her hand.](/sites/default/files/styles/200px/public/2022-05/usurp-the-burp.png?itok=YaMK_qx-)
Around the Pier: Usurp the Burp
How seaweed could help curb cow burps—one of California’s greatest sources of methane emissions
![Scripps graduate student Allison Cusick](/sites/default/files/styles/200px/public/communications-content/field_crop/cusickheader_0.jpg?itok=4BYoeV8g)
Scripps Student Spotlight: Allison Cusick
Oceanography graduate student is researching how water from melting glaciers affects phytoplankton in the Arctic and Antarctic
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