Henry Paulson, former U.S. Treasury secretary, speaks at the annual Milken Institute Global Conference in April. Bloomberg Former Treasury Secretary Henry Paulson , ex-New York Mayor Michael Bloomberg and Tom Steyer, a hedge-fund billionaire and major Democratic donor, are linking arms Tuesday to release a report, Risky Business, that argues U.S. companies should treat climate change as any other business threat. The report, which says climate change could cost the country billions of dollars over the next two decades, is the product of a bipartisan group of former cabinet officers, lawmakers, corporate leaders and scientists. In an interview, Mr. Paulson said the goal is to depoliticize the climate-change debate and instead focus on how it poses an economic risk to U.S. businesses. “The whole point was to have a bipartisan group who agreed on the nature of the problem, which is that climate change is a huge economic risk,” […]