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cities

Handlebar view of a courier bicycling in New York City.
Posted inNews

Novel Air Pollution Study Gauges Individual Cyclists’ Risks

by R. Kaufman 13 June 201717 March 2023

By attaching an array of instruments to bike commuters in New York City, researchers aim to evaluate ambient pollution amounts and doses at the level of an individual cyclist.

The green roof on Chicago’s City Hall
Posted inScience Updates

Cities Smarten Up and Go Green

by I. Seifert-Dähnn, M. Millstein and P. G. Røe 2 March 201711 August 2022

CIENS Urban Conference 2016: Smart and Green Cities – For Whom?; Oslo, Norway, 13 October 2016

Posted inEditors' Vox

Water Challenges of Megacities

by J. M. Bahr 26 October 20166 February 2023

After attending a groundwater conference this summer in Shenzhen, China, Water Resources Research editor Jean Bahr reports back and summarizes the water management challenges posed by large cities.

lawn-replacement-native-plants-drought-tolerant-change-urban-temperatures
Posted inResearch Spotlights

Switching to Drought-Tolerant Plants Could Alter Urban Climates

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

In Los Angeles, replacing lawns with native plants that need less water could lead to hotter days and cooler nights.

Two shiny, metallic micrometeorites.
Posted inNews

Urban Micrometeorites No Longer a Myth

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 24 August 20164 October 2021

After sifting through urban debris for 6 years, one scientist unearthed cosmic dust—confirming a long-held myth about urban micrometeorites.

Ruins of Fort Beauregard are partially submerged in lake Borgne.
Posted inFeatures

Global Risks and Research Priorities for Coastal Subsidence

by M. Allison, B. Yuill, T. Törnqvist, F. Amelung, T. H. Dixon, G. Erkens, R. Stuurman, C. Jones, G. Milne, M. Steckler, J. Syvitski and P. Teatini 13 July 201627 October 2022

Some of the world's largest cities are sinking faster than the oceans are rising. Humans are part of the problem, but we can also be part of the solution through monitoring and modeling.

Smog and Hong Kong’s skyline, seen from Victoria Peak.
Posted inResearch Spotlights

Chemical Boosts Ozone Production over Southern China

by Terri Cook 27 May 201613 February 2023

The presence of nitryl chloride in polluted urban air can enhance the production of ozone by up to 41%, according to a new modeling study constrained by ground-based measurements.

piazza-duomo-cathedral-acireale-basilica-saints
Posted inScience Updates

Tiny Accelerometers Create Europe's First Urban Seismic Network

by A. D’Alessandro 17 March 20166 June 2022

The system, under development in Acireale, Italy, could be used to monitor earthquakes in real time and help rescue workers focus efforts where they’re needed most.

Posted inNews

Experts Focus on Efforts by Cities to Deal with Climate Change

by Randy Showstack 16 December 201517 March 2023

Urban areas must take political and practical considerations into account as they prepare for the effects of climate change, say experts at AGU Fall Meeting.

Posted inScience Updates

Urbanization Affects Air and Water in Italy's Po Plain

by M. Masetti, S. V. Nghiem, A. Sorichetta, S. Stevenazzi, P. Fabbri, M. Pola, M. Filippini and G. R. Brakenridge 23 October 201531 May 2022

Satellite and ground-based measurements show a correlation between urban growth and increased levels of pollutants.

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Features from AGU Journals

RESEARCH SPOTLIGHTS
Geophysical Research Letters
“Neural Networks Map the Ebb and Flow of Tiny Ponds”
By Sarah Derouin

EDITORS' HIGHLIGHTS
Community Science
“Collaboration Helps Overcome Challenges in Air Quality Monitoring”
By Muki Haklay

EDITORS' VOX
Reviews of Geophysics
“What We Know and Don’t Know About Climate Tipping Elements”
By Seaver Wang

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