In 2014, São Paulo nearly ran out of water. Schools closed, crops faltered and reservoirs were left at a tiny 5 percent of their capacity for the city and its surrounding population of 22 million. It was the worst drought in eight decades. ...

In addition to counting people, cars and kilometers of infrastructure, cities today are counting trees. Urban forests are another tool to combat climate change and increase quality of life in cities. Furthermore, concrete urban jungles lack a connection to nature, which directly ...