F or years, climate advocates have argued that slowing emissions requires governments to embed climate throughout government policy—including and especially economic policy. In few places has such an approach taken greater hold than Brazil.  When I interviewed Brazilian Finance Minister Fernando Haddad on the sidelines of the Milken Global Conference in L.A. in May, he was on a tour of the U.S. to promote his country as a home for data centers and immersed in urgent conversations about global