Will Cop30 in Belém help or harm the Amazon?

Fake metal trees have been set into the concrete ground of the Amazonian host city of this year's climate summit, prompting scandalised contrasts with the once-living vegetation that has been cleared in preparation for Cop30 in Brazil. But in an unlikely convergence of views, both the centre-right state governor and leftwing social movements insist this is a storm in a plant pot compared with the darkening geopolitical threats to the world's biggest diplomatic gathering, which will take place in November in Belém. This tropical port, which sits on the mouth of the Amazon River, is one of the poorest cities…