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  • 1.3
    (billion tonnes). Current global municipal solid waste production per year. It is projected to reach 2.2 billion tonnes per year by 2025.
  • 70%
    The share of air pollution that comes from road vehicles in urban areas. Road vehicles are a significant source of air pollution which can adversely affect human health
  • 99%
    In Manila, Philippines, water supply coverage expanded from 67 percent in 1997 to 99 percent in 2009 and brought efficiency gains through lower water losses and operating costs.
  • 70
    Percentage of Europe's largest cities that have areas particularly vulnerable to rising sea levels.
  • 3.7
    Number of people (in millions) across the US who live less than 1 meter above the high tide line and are at risk from climate-induced coastal flooding.
  • 67%
    is the contribution of cities to the world's energy-related global greenhouse gases. This will rise to 74% by 2030.