Cop27: where do climate scientists find hope?

Will the Qatar World Cup really be carbon neutral?

How should we prepare for an ageing global population?

What are leap seconds, and why have we scrapped them?

‘A possible extinction event’: the UK’s worst bird flu outbreak

Why are children in the UK at risk of serious strep A infections?

Will Cop15 tackle the growing problem of invasive species?

‘Nothing is impossible’: the major breakthrough in nuclear fusion

What does Cop15’s buzzword ‘nature positive’ mean?

The science of how to give better gifts