This past fall, Henry M. Paulson Jr., the former Treasury secretary, got a call from Paul David Hewson, better known as Bono. The musician-activist-investor had an idea and “an ask”: Bono, who helped found TPG’s $5 billion Rise funds focused on “impact investing,” told Mr. Paulson that the investment firm wanted to create an even bigger platform to focus exclusively on combating climate change — and he wanted Mr. Paulson to run it.Mr. Paulson, who has spent the last 12 years since leaving his post at the Treasury away from the private sector running his nonprofit institute and working on climate …
