The report, representing six years of work by scientists, was “hijacked” by the US, Saudi Arabia, Russia, and others, at an October meeting in which they refused to approve the report’s summary findings, said the report’s co-chair Professor Sir Robert Watson.

By @mattmcgrathbbc.bsky.social

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Although this briefing was focused on Great Britain, it’s a wake-up call that needs to be heard in countries — and newsrooms — around the world. “Now is the time,” the letter concluded, “to put trust in the public,” which, if properly informed, is empowered to take “the action needed.”

The briefing concluded with the release of a public letter demanding that government and media leaders do better. Addressed to PM Keir Starmer and the heads of five of Britain’s national broadcasters and their independent regulatory body, the letter was read aloud by actor Olivia Williams.

Beyond that, he added, much of the media “is either far from independent, outwardly biased, or simply failing in its duty to explain to everyone the gravity of our predicament.” buff.ly/s5LNNyp

@chrisgpackham.bsky.social also called out his news industry colleagues. The BBC presenter said the public was not “getting access to… the reality of what is happening to our one and only home.” Disinformation spread by the fossil fuel industry and its allies is partly to blame, he said.

An AMOC shutdown would spread Arctic Ocean ice far southward, give London temperatures of -20 degrees Celsius (-4 degrees Fahrenheit) for a full three months of the year, and cut in half the world’s growing regions for wheat and maize, Lenton said, sparking “a global food security crisis.”

Irreversible tipping points, such as the shutdown of the massive ocean current known as the Atlantic Meridional Overturning Circulation (AMOC), absolutely must be avoided, said Tim Lenton of the University of Exeter. buff.ly/cbJRDKv

Humanity “is hurtling toward climate chaos,” in the words of “The 2025 State of the Climate Report,” published recently in BioScience, “an unfolding emergency… where only bold, coordinated action can prevent catastrophic outcomes.” buff.ly/LyR20jm

They delivered briefs on the latest research on how rising global temperatures affect food production, public health, economic well-being, and military security offering a fresh take on what thousands of scientists have long warned. buff.ly/P6287uN

The event, dubbed the National Emergency Briefing, included 10-minute presentations from a panel of distinguished scientists including @mikebernerslee.bsky.social, @kevinclimate.bsky.social, @hayleyjfowler.bsky.social, and @angelaisfranc.bsky.social, among others. buff.ly/dKmU0WM