Danielle Nierenberg Since 1950, the number of people residing in urban areas has increased from 746 million to 3.9 billion. By 2050, according to the United Nations, 66 percent of the world’s population will be living in cities. There are…
Danielle Nierenberg Since 1950, the number of people residing in urban areas has increased from 746 million to 3.9 billion. By 2050, according to the United Nations, 66 percent of the world’s population will be living in cities. There are…