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Urban Agenda announced for 2021, while green groups call Barcelona council's response to climate emergency "insufficient"
Investigations launched after thousands of liters of dissolvent pollute Besòs river following Wednesday's blaze in Montornès del Vallès
Ada Colau will be part of trio calling on cities to take action against air pollution at meeting of world mayors in Copenhagen
Various groups give mayor Ada Colau two months to announce her executive's policies for reducing emissions during its 2019-2023 term
Restrictions on polluting vehicles are being introduced in and around Barcelona. But what does this actually mean?