Cities Initiative.” Bank, “Sustainable www.worldbank.org/en/region/eca/brief/sustainable-cities-initiative. 10 Greenest Cities Around The World.” 7 Apr. 2017, The Mysterious World, “Top themysteriousworld.com/10-greenest-cities-around-the-world/. Toppa, Sabrina, and Ian. Residents of Lahore Choke on Air Pollution, Pakistani Officials “As Dawdle.” undark.org/article/pakistan-lahore-air-pollution/. Undark, Beauty, Science.” undark.org/. Undark, “Truth, Life Expectancy.” www.worldlifeexpectancy.com/. World Life Expectancy,
“Sustainable Cities Initiative.” Bank, www.worldbank.org/en/region/eca/brief/sustainable-cities-initiative. “Top 10 Greenest Cities Around The World.” The Mysterious World, 7 Apr. 2017, themysteriousworld.com/10-greenest-cities-around-the-world/. Toppa, Sabrina, and Ian. “As Residents of Lahore Choke on Air Pollution, Pakistani Officials Dawdle.” Undark, undark.org/article/pakistan-lahore-air-pollution/. “Truth, Beauty, Science.” Undark, undark.org/. Life Expectancy.” World Life Expectancy, www.worldlifeexpectancy.com/.