The world’s richest man pledging $10 billion to fight climate change was always going to make a lot of headlines – no matter how vague the current promises. While we would argue that a better approach would be for Jeff Bezos to pledge a given amount (>1%) of Amazon’s revenue to the fund on a yearly basis, even if this is just a publicity stunt, it’s certainly a step in the right direction. But the impact of the finance will vary dramatically depending on where Jeff Bezos decides his ‘Earth Fund’ will be most effectively allocated. The Bezos Earth Fund was announced on Instagram on Tuesday in a post that urged for collaboration between “big companies, small companies, nation states,…