At an event at Tate Modern, Sadiq Khan pledged to clean up London's act.
Because of restrictions designed to combat avian flu, some farms are losing their free-range status. Should consumers accept barn birds for now?
A new report looks at the economics of air pollution.
There's been a lot of discussion about narcissists this week. But what does the term actually mean?
Sport’s obsession with being “inspirational” doesn't help public-health interventions – it hinders them.
The medical weapons we have equipped ourselves with are losing their power. But scientists scent an answer.
Smog is hanging over many of the world’s cities, looking exactly how it makes asthmatics feel – as though it’s suffocating everyone.
So I guess we’re that sort of cancer family.
Chlorine-washed chickens and Skittles in animal feed: the world's food system is broken. Leaving the EU is a chance to reconsider our farming regulations.
The disastrous effects of “Martini health care” – any time, any place, anywhere – are made worse by a shortage of staff.
The government's strategy of blaming foreigners for the mess will end in an ugly place.
The Zombie PM
The doomed premiership of Theresa May