William Bloss

A high air pollution warning was issued for London on this day in January 2022. Malcolm Park / Alamy

December 9, 2022

70 years on from London’s Great Smog, we still need cleaner air to protect health

Suzanne Bartington, University of Birmingham and William Bloss, University of Birmingham

A new report by the UK’s Chief Medical Officer sets out what must happen.

Paolo Bona/Shutterstock

September 7, 2021

Air pollution: science shows there’s no safe limit – here’s how laws must change

William Bloss, University of Birmingham

Fine particles in air pollution contribute to the deaths of 36,000 people each year in the UK.

London’s Piccadilly Circus falls silent. April 2020. Jam Travels/Shutterstock

January 13, 2021

First lockdown’s effect on air pollution was overstated, our study reveals

Zongbo Shi, University of Birmingham and William Bloss, University of Birmingham

Exaggerating how much lockdown improved air quality could allow us to underestimate the scale of the air pollution problem.

Duncan Andison/Shutterstock

September 17, 2020

Brexit: Ireland’s land bridge to the continent boosts air pollution in the UK

John Bryson, University of Birmingham; Omid Ghaffarpasand, University of Birmingham, and William Bloss, University of Birmingham

Irish trade with the EU contributes an additional 34 tonnes of toxic nitrogen oxides to air in the UK each year.

Antarctica’s ozone hole has just got four new sources. PD-USGOV-NASA

March 11, 2014

Earth’s ozone layer threatened by new man‑made gases