Tensions erupted at COP30 in Belém after protesters broke through security lines, injecting a volatile edge into a summit already defined by disputes over climate justice, financing, and the pace of global emissions cuts.

The confrontation unfolded outside one of the main COP30 perimeter zones, where demonstrators, including Indigenous activists in traditional dress, attempted to push toward the negotiating halls. Footage verified by the BBC shows security personnel forcibly holding back groups who accuse world leaders of failing to deliver practical solutions for communities already suffering the worst effects of climate breakdown. Several activists were removed from the area, though no serious injuries have been reported so far.

The clash comes just days after UN agencies warned that climate-driven disasters have displaced millions across South America and the Amazon basin, intensifying scrutiny on wealthy nations lagging behind on financing commitments.

The disruption underscores a widening gap between political promises and the expectations of civil society. Indigenous groups, who have become a moral force in climate diplomacy, say they are still sidelined in key decisions even as their territories absorb unprecedented environmental loss. Brazil’s hosting of COP30 was meant to elevate Amazon-centered approaches, but the confrontations suggest internal contradictions: high-stakes negotiations occurring under heavy security while frontline communities demand direct representation.