The president denied the state's request for federal aid to rebuild power lines after a fierce ice storm last March, a move that could force thousands of rural electricity customers to pay the entire tab.
The destruction caused by the summer storms was enough that past presidents likely would have approved requests for federal assistance, former FEMA officials said.
Nearly two weeks of talks in the Amazon ended with commitments to do more, but no firm movement on the most divisive issues -- including turning away from fossil fuels.