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Climate Change

Rain over California’s Owen’s Valley in early May 2016. The 2015–2016 El Niño, which officially ended in late May, was one of the strongest El Niños on record.
Posted inResearch Spotlights

Monster El Niño Not Enough to Quench California Drought

by Lauren Lipuma 15 July 20167 March 2023

New research shows that the Sierra Nevada snowpack will likely not recover from the current drought until 2019.

Mollusk shells reveal ocean warming episodes.
Posted inNews

Climate Warming May Have Helped Kill the Dinosaurs

Amy Coombs by A. Coombs 14 July 20162 March 2023

New evidence indicates ancient warming spells that coincided with prodigious volcanism and a powerful meteorite impact, both seen as possible causes of mass extinctions about 66 million years ago.

In this image of a supercell storm, the enormous atmospheric variability across scales can be seen with the naked eye.
Posted inScience Updates

Characterizing Climate Fluctuations over Wide-Scale Ranges

by S. Lovejoy, M. Crucifix and A. de Vernal 14 July 20167 October 2022

Scale and Scaling in the Climate System; Jouvence, Quebec, Canada, 5–7 October 2015

Diver collects sea grass Zostera marina.
Posted inScience Updates

Integrated Marine Research for Sustainable Ocean Development

by G. Braker, M. Visbeck and N. S. Smith 6 July 201613 March 2023

Sustainable Ocean Development—A Perspective from Former, Current and Future Kiel Marine Scientists; New York, 28–30 September 2015

Citizen scientists examine melt pond at North Pole.
Posted inScience Updates

Citizen Scientists Train a Thousand Eyes on the North Pole

by L. Farmer, A. Cowan, J. K. Hutchings and D. Perovich 30 June 201631 March 2023

During expedition cruises, tourists participate in collecting scientific data and contribute to ongoing observations of sea ice conditions in the Arctic.

Shower over central Netherlands.
Posted inResearch Spotlights

What Causes Heavy Rainfall?

by W. Yan 30 June 201620 March 2023

Scientists investigate atmospheric conditions that correlate to heavy rainfall in the midlatitudes.

Posted inResearch Spotlights

Measuring Progress Toward Sustainable Goals

by W. Yan 24 June 201613 March 2023

Grouping targets that need to be hit into composite goals may help countries evaluate their progress toward sustainable development targets laid out by the United Nations.

The gopher tortoise, currently endangered because of habitat loss, digs burrows that provide homes to more than 300 other types of animals.
Posted inNews

Habitat Fragmentation Prevents Migration During Climate Change

Amy Coombs by A. Coombs 21 June 201621 December 2023

East Coast species will face the most difficulty finding routes to cooler homes as climate change forces migration.

: An Ocean Observatories Initiative (OOI) inshore surface mooring is deployed in June 2015 off the coast of Newport, Oreg.
Posted inScience Updates

Ocean Observatories Initiative Expands Coastal Ocean Research

by R. W. Fulweiler, G. Gawarkiewicz and K. A. Davis 20 June 201616 August 2016

OOI Coastal Arrays Community Workshop; Washington, D. C., 5–7 January 2016

Posted inResearch Spotlights

Predicting Temperature Shifts off the U.S. East Coast

Sarah Stanley, Science Writer by Sarah Stanley 20 June 201611 January 2022

New research reveals the relative importance of oceanic and atmospheric processes in year-to-year changes in ocean temperature along the Middle Atlantic Bight.

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Features from AGU Publications

Research Spotlights

The Surprising Link Between a Cold Blob and the Indian Monsoon

1 June 20261 June 2026
Editors' Highlights

Model of Complex Blanket Bog Improves Prediction of Peat Expansion

1 June 20261 June 2026
Editors' Vox

The Editorial Board Marks the Latest Chapter in AGU Books

1 June 202626 May 2026
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