Brazil’s negotiators already face a tough job at United Nations climate talks, given anger at President Jair Bolsonaro’s stance on the Amazon, but it has become doubly difficult as they are in the dark on their own government’s aims. The right-wing leader has become a target for environmental lobbyists since Amazon destruction surged to an 11-year high and terrible fires raged in August, with Bolsonaro’s policies encouraging deforesters and cowing environmental enforcers.