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Climate Change

Ice core from Mount Hunter in Alaska provides a record of climate and environmental history
Posted inScience Updates

Developments in Ice Core Research on Past Climate Change

by B. S. Lecavalier and B. R. Markle 4 October 201614 March 2023

IPICS 2016 Open Science Conference; Hobart, Australia, 7–11 March 2016

cloud-climate-modeling-decomposition-feedback
Posted inResearch Spotlights

Eliminating Uncertainty One Cloud at a Time

Shannon Hall by S. Hall 3 October 20163 February 2022

The impact of clouds on climate change has been a scientific mystery for decades. Now researchers are fighting to gain the upper hand.

water-valleys-show-climate-Mars-warm-wet-later
Posted inResearch Spotlights

Mars’s Climate May Have Been Wet Much Later Than Thought

Sarah Stanley, Science Writer by Sarah Stanley 30 September 201628 July 2022

Water-carved valleys may be relatively young, challenging assumptions about the history of the Red Planet's climate.

Lake Oroville shows the effects of California’s extended drought.
Posted inScience Updates

Climate Change, Groundwater Management, and California's Future

by E. White, E. E. McClenny and M. C. Pinheiro 30 September 20166 October 2021

Conference on Climate Change and the Sustainable Groundwater Management Act; University of California, Davis, California, 4–5 April 2016

tide-gauges-underestimate-sea-level-rise-limitations
Posted inResearch Spotlights

Tide Gauge Records May Underestimate 20th Century Sea Level Rise

Leah Crane by L. Crane 29 September 20161 November 2021

Tide gauges can help measure sea level change, but their limited locations and short records make it hard to pinpoint trends. Now researchers are evaluating the instruments' limitations.

Posted inEditors' Vox

The Arctic Freshwater Synthesis

by T. D. Prowse 28 September 20169 December 2021

The result of international study and coordination, this Special Issue provides an important "state-of-the-science" review of changing systems and their potential impacts.

Donald Trump speaks as Hillary Clinton listens during their first presidential debate.
Posted inNews

Candidates Have Dustup over Climate in First Debate

by Randy Showstack 27 September 201624 April 2023

During the first presidential candidate debate Monday, Donald Trump denied saying that climate change is a hoax, but his own tweets show otherwise.

A soldier guards a United Nations peacekeeping base in northern Mali in July 2015.
Posted inNews

White House: National Security Plans Must Consider Climate Risks

by Randy Showstack 23 September 20167 March 2023

Along with the new policy directive, the administration released a report on how climate changes—from more extreme weather to sea level rise—can threaten national security.

Climate variability governs the position of the southern edge of the Greenland ice sheet near Kangerlussuaq.
Posted inScience Updates

Comprehensive Earth System Models of the Last Glacial Cycle

by M. Latif, M. Claussen, M. Schulz and T. Brücher 23 September 2016

Much of modern climate science fails to consider millennium-scale processes, many of which may prove to be important for predicting the climate trajectory in the shorter term.

Methane-releasing vegetation flourishes in small freshwater Arctic tundra ponds
Posted inNews

Aquatic Plants May Accelerate Arctic Methane Emissions

by R. Heisman 22 September 201611 August 2022

About two thirds of the gas produced by a study area near Barrow, Alaska, came from increasingly abundant greenery covering only 5% of the landscape, researchers estimate.

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Features from AGU Publications

Research Spotlights

Watershed Sustainability Project Centers Place-Based Research

4 December 20254 December 2025
Editors' Highlights

Changes in Slab Dip Cause Rapid Changes in Plate Motion

4 December 20252 December 2025
Editors' Vox

Hydrothermal Circulation and Its Impact on the Earth System

3 December 20253 December 2025
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