40 percent of the world's energy is taken up by buildings currently, and 60 percent of the world's population will be living in buildings in cities with a population of over one million in the next 15 years.
40% svjetske energije se trenutno koristi za građevine, a 60% svjetske populacije živjeti će u zgradama u gradovima s više od milijun stanovnika u sljedećih 15 godina.