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cities

Maps of London showing the average surface daytime temperature, vegetation activity and Leaf area index during summer.
Posted inEditors' Highlights

Urban Vegetation Key Regulator for Heat Island Intensity

by D. Wuebbles 4 May 202123 February 2023

Satellite data reveals that urban vegetation, especially urban forests, is the most important factor regulating Urban Heat Island intensity.

Hong Kong and Victoria Harbor
Posted inResearch Spotlights

Improving Air Quality in China’s Greater Bay Area

Sarah Stanley, Science Writer by Sarah Stanley 28 April 20215 January 2023

New simulations show how reducing residential and agricultural pollution outside the Greater Bay Area could improve public health inside this megalopolis and across China.

Chicago skyline
Posted inNews

Many U.S. Cities Severely Underreport Their CO2 Emissions

by Jordan Wilkerson 21 April 20215 November 2021

Although unintentional, these errors may undercut local government efforts to tackle climate change.

Illustration of a timber pathway foregrounded by a green lawn on the left and parched landscape on the right
Posted inNews

Using Big Data to Measure Environmental Inclusivity in Cities

by James Dacey 24 February 202115 October 2021

Lower-income urban communities bear the brunt of environmental burdens, even in wealthy green cities around the world.

Community forests that provide numerous ecological, social, and economic benefits are being threatened by climate change.
Posted inFeatures

Community Forests Prepare for Climate Change

by C. L. Peterson, L. A. Brandt, E. H. Elias and S. R. Hurteau 11 February 20215 November 2021

Cities across the United States are feeling the heat as they struggle to integrate climate science into on-the-ground decisionmaking regarding urban tree planting and management.

Visible-light and thermal-infrared photos of Sacramento showing heat distribution
Posted inEditors' Highlights

Modeling Interactions Between Cities and Climate Across Scales

by Susan Trumbore 26 January 202122 April 2022

With more than half of humanity living in cities, the ability to model urban-climate interactions at relevant spatial scales is increasingly important.

A youth farmer in Los Angeles County gives a tour of an urban farm
Posted inNews

Urban Agriculture Combats Food Insecurity, Builds Community

by DJ McCauley 25 January 202121 February 2023

Innovations in urban agriculture—from creative reuse of stormwater to soil rehabilitation—can help fight food insecurity and prevent further food issues.

Living walls line Milan’s Bosco Verticale apartment building
Posted inNews

Cómo convertir nuestras ciudades en Treetopias

by Alan Simson 15 January 20216 September 2022

Estamos y seguiremos plantando más árboles callejeros, arboledas urbanas y cúmulos informales de árboles en nuestros parques y espacios verdes. La Treetopia ha comenzado.

Posted inEditors' Highlights

Going Down: How Do Cities Carry That Weight?

by Peter Zeitler 14 January 202114 January 2022

Calculations show that the added weight of growing cities can lead to tens of millimeters of subsidence, an effect that needs to be considered for coastal cities under threat by sea-level rise.

Stream surrounded by grassland.
Posted inNews

Waterways Change as Cities Grow Nearby

Katherine Kornei, Science Writer by Katherine Kornei 17 December 20206 September 2022

Using multidecadal data sets, researchers have traced how urbanization affects streamflow across the continental United States.

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Features from AGU Publications

Research Spotlights

Mapping the Ocean Floor with Ancient Tides

6 May 20256 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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