BELEM, Brazil — The arrival of Brazilian President Luiz Inácio Lula da Silva at U.N. climate talks on Wednesday was hoped to spur nations to meet a self-imposed early deadline for progress on tough issues. For now, it hasn't worked.

In a news conference late Wednesday, Lula skipped over any update on the status of talks. Instead, he renewed his earlier calls for action, making the case to delegates that the world must reduce its use of fossil fuels like oil, gas and coal.

"We haven’t found another place to live,” Lula, flanked by Brazilian negotiators and his wife, said.

Lula and several other leaders are pushing to create a road map toward transition to renewable energies. But in his remarks Wednesday, he was careful to say there's no intention to “impose anything on anybody,” that cou

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