What we learned this week

400 parts per million is the concentration of caffeine in coffee, NASA tweeted this week – and of course the concentration of CO2 in the atmosphere. I will be stashing this comparison for future climate science training events.

“Aid funding for climate disasters isn’t charity,” argues Alec Luhn in Vice, in a powerful article on Somalia’s drought and climate justice.

Cornwall is trialling e-bikes for police and cargo e-bikes for paramedics, both with very positive results so far.

We fo...