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Michael Allen

The eruption column of Mount Pinatubo, Philippines, in June 1991.
Posted inNews

Climate Change Will Alter Cooling Effects of Volcanic Eruptions

by Michael Allen 20 September 202114 April 2022

New research indicates the cooling effect of rare, large eruptions will increase, whereas the effects of more frequent, smaller eruptions will be reduced.

Image of the Sun
Posted inNews

Rapidly Increasing Chance of Record-Shattering Heat Extremes

by Michael Allen 3 August 202128 September 2021

A new study warns that we need to expect and prepare for unprecedented heat waves in the near future.

Krasnoyarsk sunset over the mountains
Posted inNews

Siberian Heat Wave Nearly Impossible Without Human Influence

by Michael Allen 17 June 202128 April 2022

A new study finds that the exceptional temperatures seen in Siberia in the first half of 2020 would have been extremely unlikely without anthropogenic climate change.

Satellite image of the Himalayas
Posted inNews

Pollution over the Tibetan Plateau Linked to Sea Ice Loss in the Arctic

by Michael Allen 7 October 202028 February 2023

New research suggests an atmospheric connection between Arctic sea ice melt and anthropogenic aerosol pollution over the Tibetan Plateau.

El glaciar Zongo, visto en enero de 2010, se encuentra en Huayna Potosí, a unos 25 kilómetros al norte de la capital de Bolivia, La Paz.
Posted inNews

Los Incendios del Amazonas Contribuyen al Derretimiento de los Glaciares Andinos

by Michael Allen 25 February 202021 June 2023

Investigaciones recientes revelan que las emisiones de carbono negro producidas por los incendios en el Amazonas causan que los glaciares en los Andes absorban más radiación solar y se derritan más.

Cityscape of Cologne, including the cathedral, during a lightning-fueled thunderstorm
Posted inNews

Northern Europe Set for Increases in Lightning

by Michael Allen 12 February 20201 March 2023

As the climate warms across Europe, a rise in severe thunderstorms could bring a dramatic increase in related hazards, including lightning and hailstones.

Smoldering peat fire emits a hazy smoke over a tropical forest
Posted inNews

Starting (and Stopping) a Fire to Study It

by Michael Allen 10 February 202016 March 2022

Fire experiments on peatlands in Southeast Asia have identified previously unknown emissions patterns and could point to ways to detect these smoldering fires before they become too big to fight.

Part of Zongo Glacier on Bolivia’s Huayna Potosí, about 25 kilometers north of La Paz, as seen in January 2010
Posted inNews

Amazon Fires Contribute to Andean Glacier Melting

by Michael Allen 13 January 202021 June 2023

New research finds that black carbon emissions produced by fires in the Amazon cause glaciers in the Andes to absorb more sunlight and melt more.

Grassy bog with a strip of exposed, muddy peat
Posted inNews

Peatlands Are Drying Out Across Europe

by Michael Allen 14 November 20191 April 2022

Peatlands are some of the world’s largest reservoirs of soil carbon, but new research finds that in Europe they are drying out, putting them at risk of turning from carbon sinks to carbon sources.

A view of a Washington, D.C., skyline from the Potomac River at night. The Lincoln Memorial (at left) and the Washington Monument (at right) are lit against a purple sky. Over the water of the Potomac appear the text “#AGU24 coverage from Eos.”

Features from AGU Publications

Research Spotlights

Proposed Experiment Could Clarify Origin of Martian Methane

12 May 202512 May 2025
Editors' Highlights

First Benchmarking System of Global Hydrological Models

7 May 20257 May 2025
Editors' Vox

Decoding Crop Evapotranspiration

6 May 20256 May 2025
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