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heat waves

Clouds hang low over the skyline of the city of Tokyo.
Posted inResearch Spotlights

Marine Heat Waves Can Exacerbate Heat and Humidity over Land

Sarah Derouin, Science Writer by Sarah Derouin 2 January 20262 January 2026

Researchers found the unprecedented 2023 East Asian marine heat wave increased land temperatures and humidity by up to 50%.

Two side-by-side images show a lake bed dried out (left) and with water and lush green trees (right).
Posted inResearch Spotlights

An Ecosystem Never Forgets

by Rebecca Owen 19 December 202519 December 2025

A new study in southwestern China shows how ecosystems may exhibit “hydrological memory,” which affects how they react to extreme climate events such as heat and drought.

An underground train station for the Chicago “L” red line. A gray sign with an “L” indicates that it is the Lake station.
Posted inNews

City Dwellers Face Unequal Heat Exposure En Route to the Metro

by Pepper St. Clair 15 December 202515 December 2025

Socioeconomic factors drive how much extreme heat public transit users in Chicago, NYC, and Washington, D.C., experience as they walk to and from metro stations.

Map from the study
Posted inEditors' Highlights

Heatwaves Increase Home Births in India

by Lingzhi Chu 2 December 20253 December 2025

Heatwaves in India are associated with increased home births, with differential susceptibilities across regions and populations, threatening maternal and newborn health.

A map of Los Angeles with hotter zip codes shaded red. Blue triangles appear across the map.
Posted inNews

New Tool Maps the Overlap of Heat and Health in California

by J. Besl 19 November 202526 November 2025

CalHeatScore creates heat wave warnings for every zip code in California, using temperature data, socioeconomic indicators, and the history of emergency room visits, to predict heat-related health risk.

Diagram from the article.
Posted inEditors' Highlights

Marine Heatwaves Reshape Precipitation Patterns

by Yun Qian 6 November 20256 November 2025

Most marine heatwaves experience reduced precipitation throughout their lifetime, but warmer events in the early stage can trigger increased precipitation after reaching peak intensity, causing faster decay.

Against a gray background, strands of multicellular green organisms glow in artificial light.
Posted inNews

Marine Heat Waves Slow the Ocean’s Carbon Flow

by Mack Baysinger 3 November 20255 January 2026

When plankton find themselves in hot water, organic matters stalls at the surface and disrupts transport of carbon to the deep ocean.

An image of Earth from space.
Posted inResearch & Developments

2025 State of the Climate Report: Our Planet’s Vital Signs are Crashing

by Grace van Deelen 29 October 202529 October 2025

A yearly analysis of climate change’s progress and effects shows a “planet on the brink” of ecological breakdown and widespread crisis and suggests that only rapid climate mitigation able to avoid the worst consequences.

A view of Vatican City in Rome at sunset, from the far side of the Ponte Sant'Angelo. The Dome of the Basilica of Saint Peter can be seen to the right
Posted inNews

Climate Change May Have Killed 16,469 People in Europe This Summer

by Emily Gardner 17 September 202517 September 2025

Researchers warn that preventable heat-related deaths will continue to rise with continued fossil fuel emissions.

A spray of water droplets falls onto a city street on a sunny day in front of a brown, multistory building. A crowd of people and dogs watch and play in the spray.
Posted inResearch Spotlights

Extreme Heat in U.S. Cities Revealed at High Resolution

Sarah Stanley, Science Writer by Sarah Stanley 10 September 202510 September 2025

Data from personal weather stations power a novel way to detect urban heat islands.

Posts pagination

Newer posts 1 2 3 4 … 10 Older posts
Over a dark blue-green square appear the words Special Report: The State of the Science 1 Year On.

Features from AGU Publications

Research Spotlights

Extreme Heat May Drive Asthma Risk in Baltimore, Especially at Night

12 August 202612 August 2026
Editors' Highlights

How Fluid Mixing due to Kelvin-Helmholtz Instabilities Really Works

13 August 202613 August 2026
Editors' Vox

Introducing Research Letters in Paleoceanography and Paleoclimatology

12 August 202610 August 2026
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