COVID-19 lockdowns linked to pollution spikes in some cities

Lockdowns last year in response to COVID-19 resulted in drastic cuts to emissions, especially from vehicle tailpipes, and yet some urban areas saw a paradoxical spike in ozone air pollution. A new study led by the National ...

Turning smartphones into personal, real-time pollution monitors

As urban residents know, air quality is a big deal. When local pollution levels go up, the associated health risks also increase, especially for children and seniors. But air pollution varies widely over the course of a day ...

Rewilding cities: grow back greener, cleaner and healthier

One of the lasting legacies of COVID-19 pandemic, perhaps, is our increased appreciation of open green spaces across towns and cities. Those of us living in bustling cities, have experienced, to various extents, the power ...

UN: Brief gains in air quality in 2020 over COVID lockdowns

The U.N. weather agency says the world—and especially urban areas—experienced a brief, sharp drop in emissions of air pollutants last year amid lockdown measures and related travel restrictions put in place over the coronavirus ...

Air pollution kills 1,200 children a year: EU agency

Air pollution still causes more than 1,200 premature deaths a year in under 18's across Europe and increases the risk of chronic disease later in life, the EU environmental agency said Monday.

Cities in the cloud

Thousands of sensors deployed across Newcastle-Gateshead, Sheffield and Bristol are providing us with a unique understanding of how our cities work and the impact climate change might have on them.

A fundamental shortcoming in air pollution models

Researchers from the University of Copenhagen have discovered a surprising phenomenon in a process by which certain gas molecules produce harmful particles. The impact of this phenomenon is likely to increase in urban areas ...

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