The mayors of Warsaw, Budapest, Prague and Bratislava have urged the European Union to set a more ambitious emissions reduction target for 2030, calling the escalating climate crisis a greater challenge than the coronavirus pandemic. In an open letter to the president of the European Council, published on Wednesday, the mayors of the four capital cities said the EU should target a 55% emissions cut by 2030, compared with 1990 levels, up from its current goal for a 40% reduction, and asked for EU measures to support cities’ climate action.

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