Belem, Brazil — Two global power players will spend Wednesday pushing negotiators to find compromises at United Nations climate talks in Brazil’s Belém, where a self-imposed deadline is rushing up fast.

U.N. Secretary-General Antonio Guterres roamed the meeting rooms on Tuesday, while Brazilian President Luiz Inácio Lula da Silva was set to join the COP30 talks Wednesday morning.

“The arrival of President Lula and Antonio Guterres is hugely significant and suggests the hosts think we should have some kind of deal passed today,'' said Mohamed Adow of the Kenyan environmental organization Power Shift Africa. “You don’t generally have the president coming into the talks midway through the second week, without something to show for it.”

Raising the possibility of a historic outcome, Gree

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