Introduction
There is clear evidence that emergency action will strengthen our national and economic resilience and improve lives. But first, our politicians need to see strong support from the public. The National Emergency Briefing is designed to help create a societal tipping point towards the genuine emergency action now needed. You can help make this happen.
Prof Mike Berners-Lee
On 27 November 2025, leading experts set out the evidence on the climate and nature crisis in a formal briefing to national decision-makers. Watch the film above (6 minutes).