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air quality

Figure 3 from the paper, showing a photograph of a tree, a satellite image, and a graph showing the impacts of different types of trees on temperature.
Posted inEditors' Highlights

Community Scientists Help to Beat the Heat

by Gabriel Filippelli 25 July 202225 July 2022

As cities face health threats from heat and air pollution—both expected to worsen from climate change—researchers pilot a community scientist effort to map air quality and improve urban health.

A room in a home filled with atmospheric research equipment, including three gas cylinders that are connected to a mass spectrometer.
Posted inNews

Crowdsourced Science Helps Monitor Air Quality in Smoke-Damaged Homes

by Fionna M. D. Samuels 23 February 202231 May 2022

Researchers collaborate with residents to measure airborne chemicals in homes and evaluate how clean the air really is after remediation from Colorado’s Marshall Fire.

Field of dead and burned trees in the San Bernardino National Forest. Researcher Fabiola Pulido-Chavez stands among them with her back turned toward the camera.
Posted inNews

Wildfires May Alter the Nitrogen Cycle—and Air Pollution

by Krystal Vasquez 16 December 20217 July 2022

Research indicates that wildfires could be bolstering soil emissions of air pollutants that contribute to smog and climate change.

Deciduous forests, like the one pictured here, are important sinks of ozone.
Posted inResearch Spotlights

Examining the Intricacies of Ozone Removal by Deciduous Forests

Aaron Sidder, freelance science writer by Aaron Sidder 9 August 20211 June 2023

A new study looks into how air movement in the atmospheric boundary layer affects ozone removal by deciduous forests, which are a significant ozone sink.

A power planet in the U.S. Appalachian basin in August 2016
Posted inOpinions

Affordable Clean Energy Rule Threatens Progress of Clean Air Act

by S. Benish and M. Fiffer 18 November 202021 December 2022

The scientific community must act to minimize the adverse air quality and health impacts of relaxed EPA regulation.

Photograph of abandoned domestic refrigerators
Posted inEditors' Vox

Halocarbons: What Are They and Why Are They Important?

by Ø. Hodnebrog, K. P. Shine and T. J. Wallington 16 September 20203 June 2024

CFCs and other halocarbons have long been known for causing an ozone hole over the Antarctic, but many of them are also powerful greenhouse gases.

Skewered meat and vegetables on a barbecue
Posted inNews

Niveles Altos de Contaminación en Chile se Relacionan Con Parrilladas de Hinchas del Fútbol

Katherine Kornei, Science Writer by Katherine Kornei 8 July 202030 November 2022

Misteriosos picos de contaminación—10 veces más altos que los niveles normales—ocurren en Santiago durante los partidos de fútbol televisados y son causados por decenas de miles de parrilladas, revelan nuevos resultados.

World map showing a climate simulation with hotter forecasts shaded red and cooler forecasts shaded blue
Posted inNews

Will COVID’s Cleaner Skies Muddy Climate Models?

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 2 July 202030 November 2022

Reduced greenhouse gas emissions for a year or two won’t slow down climate change, but they may throw off scientists’ ability to model short-term phenomena.

Skewered meat and vegetables on a barbecue
Posted inNews

Pollution Spikes in Chile Tied to Soccer Fans’ Barbecuing

Katherine Kornei, Science Writer by Katherine Kornei 11 May 202030 March 2023

In Santiago, mysterious pollution spikes—tenfold above normal levels—occur during televised soccer matches and are caused by tens of thousands of barbecues, new results reveal.

Clear view of Glories Tower in Barcelona
Posted inNews

Coronavirus Lockdown Brings Clean Air to Spanish Cities

Javier Barbuzano, Science Writer by Javier Barbuzano 9 April 202013 March 2023

Measures against the spread of the new coronavirus have an unexpected side effect: record-low air pollution levels.

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