Madrid, Barcelona among world cities cutting emissions

'Rise For Climate March' at World Climate Action Summit in San Francisco. Photo: Marc Arcas/EFE
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Madrid and Barcelona have been named among 27 of the world’s largest cities that have managed to halt and reverse the increase of their carbon emissions even as their populations and economies continue to grow, according to a report released by the C40 Cities Climate Leadership Group (C40).

Announced during last week’s Global Climate Action Summit (GSAC), bringing together companies, cities and regions committed to fighting climate change regardless of the policies of their national governments, the C40 report said that a third of the cities represented by the network have seen their greenhouse gas emissions fall over the last five years, achieving a combined reduction in peak emissions of at least 10 percent.


The 27 cities named in the report – which along with Madrid and Barcelona include Berlin, Boston, London, New York, Los Angeles, Toronto, Vancouver and San Francisco – have a total population of 54 million and economies that reach US$6 trillion in combined economic output (GDP).

Since 2012, the group of 27 cities have continued to decrease emissions by 2 percent per year, while their populations grow by 1.4 percent per year and their economies by 3 percent per year on average.

The C40 network connects 96 of the largest cities in the world, with a combined population of more 650 million people and accounting for one quarter of the global economy. Meeting within the framework of the GSAC last week, a total of 22 cities, four regions and 12 corporations from different parts of the world signed onto an agreement to stop the emission into the atmosphere of an estimated 209 million tons of additional carbon dioxide during the next 32 years.

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