What we learned this week

What we learned this week

After a good start over the last few years, the huge energy energy needs of AI has punched a big hole in Google’s net zero plans. Emissions have risen by 51% in a year. For those of us in the northerly climes of the UK, it’s easy to underestimate the global potential of solar power. As a new report from Ember points out, batteries are now cheap enough that whole cities could be run on solar power overnight, and entirely solar cities are possible…