BELÉM, Brazil — The European Union was notably absent from a group of 82 countries calling for a clear path away from fossil fuels at the U.N. climate talks on Tuesday. In a moment of theater in the Amazon city of Belém, dozens of countries demanded a “roadmap” that would chart their way off fossil fuels — sending the fuels that drive climate change to the fore of a U.N. process that rarely discusses them directly.  But the EU, a self-described climate leader, was not among them. Many EU