This year’s Bristol Radical History Festival focused on the persistent threats of racism, xenophobia and, of course, our radical collective resistance to it across Ireland and Britain, reports LYNNE WALSH

LAST week a team of scientists published their review of the evidence that has accumulated in the past few years about the properties and dangers of climate tipping points.
They compared this evidence with the 1.5-2°C rise in global temperature that will occur under the Paris Agreement. They found that we may still reach several climate tipping points or maybe have already crossed them.
A ”tipping point” is when a variable in a system, such as the global temperature in our climate, crosses a threshold which causes feedback.

A maverick’s self-inflicted snake bites could unlock breakthrough treatments – but they also reveal deeper tensions between noble scientific curiosity and cold corporate callousness, write ROX MIDDLETON, LIAM SHAW and MIRIAM GAUNTLETT
Science has always been mixed up with money and power, but as a decorative facade for megayachts, it risks leaving reality behind altogether, write ROX MIDDLETON, LIAM SHAW and MIRIAM GAUNTLETT

