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

By William Bloss, Professor of Atmospheric Science, University of Birmingham

Air pollution is the largest environmental risk to public health. Outdoor air pollution causes around four million premature deaths globally each year, while a further three million deaths are linked to pollution indoors – mainly from open cooking and heating fires in developing countries.

The most harmful air pollutants in urban areas are nitrogen dioxide gas (NO₂) and fine particulate matter, often referred to as PM2.5 – particles smaller than 2.5 micrometres that can be inhaled deep into the lungs.…

Read complete article

~	How visas for social care workers may be exacerbating exploitation in the sector

~	Why the British Columbia Conservation Officer Service should be designated as a provincial police service

~	Detaining migrants in prisons violates human rights and risks abuses

~	Granting legal ‘personhood’ to nature is a growing movement – can it stem biodiversity loss?

~	Friday essay: Project 2025, the policy substance behind Trump’s showmanship, reveals a radical plan to reshape the world

~	Longer-lasting ozone holes over Antarctica expose seal pups and penguin chicks to much more UV

~	New rock art discoveries in Eastern Sudan tell a tale of ancient cattle, the ‘green Sahara’ and climate catastrophe

~	Will checking character references really help you find the best candidate for a job?

~	China’s money only goes so far – Kokoda shows why history binds PNG and Australia in a far deeper way

~	We spoke to young people about sexual consent. They understand the concept, but don’t always ask in the moment