Climate change and cities: a prime source of problems, yet key to a solution
Cities are home to half the world’s population and produce around 75% of the world’s GDP and greenhouse gas emissions. By 2050, between 65% and 75% of the world population is projected to be living in cities, with more than 40 million people moving to cities each year. That’s around 3.5 billion people now, rising to 6.5 billion by 2050; a huge and singular event in human history.
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