Prof Tim Lenton tells MPs about the risks of Tipping Points, particularly the AMOC ocean current:

"It will cause a water and food crisis in the UK, and a global food crisis.

So we need a radical acceleration of action towards emissions reduction.

There are positive tipping points too..."

Prof Paul Behrens crystal clear on food and diet: @profpaulbehrens.bsky.social

"We need a great food transformation. That means far less meat and dairy.

I know it's politically difficult, but we have to be honest.

When families can't feed their children, society breaks down."

Emergency message from Prof Hugh Montgomery, an emergency doctor:

"The climate emergency is absolutely a heath emergency and it's about time we started treating it as one.

The social determinants of health are what scares the living daylights out of me if we don't stop climate change."

Powerful message on national security from Lt Gen Richard Nugee

"We are not yet acting as if peace and tackling climate change are two sides of the same coin.

Cascading risks mean we face instability at home, the potential of an ungovernable state, the very breakdown of the norms of society."

'When authoritarians seize power, it is crucial to recognize courageous defenders of freedom who rise and resist,' the Norwegian Nobel Committee said as it announced Maria Corina Machado as the winner of the 2025 Nobel Peace Prize