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15,000 vehicles could now face sanctions for entering Barcelona and its surroundings
Environmentalists want cars kept off streets but automotive industry stresses alternative solutions
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