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cities

A 2017 landslide in Freetown, Sierra Leone, killed an estimated 1,100 residents, largely in informal settlements.
Posted inNews

Protecting Poor Neighborhoods from Landslide Risk

by J. Besl 8 December 20221 June 2023

As low-income, informal settlements bloom in the tropics, their risk of landslides increases. A new modeling tool incorporates urbanization factors to protect the region’s poorest neighborhoods.

香港的卫星影像
Posted inResearch Spotlights

通过街道污染估计图选择更健康的通行路线

by Morgan Rehnberg 1 December 20221 December 2022

研究人员采用一种新的高分辨率方法结合多种类型的遥感污染数据,开发出一款应用程序,可为城市通勤者绘制最健康的路线。

Satellite view of Hong Kong
Posted inResearch Spotlights

Mapping Street-Level Pollution Estimates to Reveal Safer Routes

by Morgan Rehnberg 28 November 202220 December 2022

A new high-resolution approach combining multiple types of remotely sensed pollution data allowed researchers to develop an app that maps the healthiest routes for urban commuters.

An oil pump appears in the foreground against a background of buildings.
Posted inNews

The “Black Gold” Flowing Under Los Angeles

Katherine Kornei, Science Writer by Katherine Kornei 15 November 202222 March 2023

Functioning oil fields, some with cleverly camouflaged infrastructure, are tucked into the urban sprawl of the Los Angeles basin. But recent legislation could change that.

Posted inEditors' Highlights

The Lower Humidity of Urban Areas Moderates Outdoor Heat Stress

by Donald Wuebbles 31 October 202212 December 2022

Data scarcity of traditional observations cannot reveal whether surface temperature capture the potential for urban heat stress. This study improves the dataset with 40,000 citizen weather stations.

Skyline of a construction site in Mumbai, India
Posted inNews

Indian Cities Invest in Low-Cost Air Quality Sensors

by Deepa Padmanaban 19 October 202228 October 2022

The sensors help bridge gaps in air quality data due to critical shortages of government monitoring stations.

Personas caminan alrededor del parque urbano cerca al reservorio Osman Sagar, India.
Posted inNews

Evaluando los beneficios del urbanismo verde

Rishika Pardikar, Science Writer by Rishika Pardikar 26 September 202226 September 2022

Las comunidades de las ciudades necesitan considerar si la absorción del agua o los beneficios del enfriamiento son más importantes al diseñar los espacios verdes urbanos.

Autumn cityscape of Boston
Posted inNews

Neighborhood Strategies Inform Boston’s First Urban Forest Plan

by Iris Crawford 8 September 202222 March 2023

The city prioritizes equity and inclusion as it incorporates tree coverage into climate resiliency efforts.

Landsat image of the Bangweulu wetlands in northern Zambia.
Posted inEditors' Vox

Monitoring the Health of Our Planet using Earth Observations

by Argyro Kavvada 8 September 202230 September 2022

A new book explores how Earth science knowledge addresses critical global challenges including sustainable development, disaster risk reduction, and climate change.

Aerial view of the Colorado River
Posted inNews

Building Resilience in the Face of a Dwindling Colorado River

Jane Palmer, Science Writer by Jane Palmer 5 August 202225 October 2022

Policymakers, industry and conservation professionals, and tribal members explore pathways to a sustainable future for the millions of people reliant on the “lifeblood of the American West.”

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Features from AGU Publications

Research Spotlights

Tracing Black Carbon’s Journey to the Ocean

11 July 202510 July 2025
Editors' Highlights

The Power of Naming Space Weather Events

10 July 20258 July 2025
Editors' Vox

Water Tracks: The Veins of Thawing Landscapes

25 June 202525 June 2025
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