Thane, India, a satellite city of Mumbai. Photo credit EMBARQ/Flickr

Gaurav Sharma is a property developer in Thane, a satellite city of Mumbai. His family firm prides itself on supplying high-quality, environmentally-friendly residential housing to India’s growing urban middle and upper-middle class.

Thane, India, a satellite city of Mumbai. Photo credit EMBARQ/Flickr

Gaurav Sharma is a property developer in Thane, a satellite city of Mumbai. His family firm prides itself on supplying high-quality, environmentally-friendly residential housing to India’s growing urban middle and upper-middle class.

A growing coalition of cities, NGOs, and private companies are advancing building efficiency efforts that save money and greenhouse gas emissions. Photo by Omar Barcena/Flickr.

Urbanization is reshaping the economy, energy systems, and climate of our planet. By 2050, the world’s cities are expected to add 2.