The growth of these cities will create a host of environmental and health problems.

By 2210, the global population is expected to grow from just more than 7 billion to 11.3 billion — with 87 percent of the population living in urban areas, according to a new working paper by researchers from NYU’s Marron Institute.

Most of these individuals will be in what’s now the developing world — creating a host of environmental and health problems.

If projections are correct, these new urban dwellers will require the world’s existing cities to expand six-fold to accommodate triple the residents, Richard Florida wrote in The Atlantic. Plus, the world will need 500 new “megacities” of 10 million or more, he wrote.

Seth Dixon‘s insight:

See on www.weather.com