Future of the Environment

5 surprising ways major cities are going green 

Eco-innovations involving cockroaches and cow dung have the potential to clean up urban life. Image: REUTERS/Thomas Suen

Douglas Broom

Senior Writer, Formative Content

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Future of the Environment

Bus attendants look for passengers during rush hour in Karachi, Pakistan May 22, 2017. REUTERS/Caren Firouz     TPX IMAGES OF THE DAY - RC17E883C6A0
Karachi could soon have the world's first biomethane bus fleet. Image: REUTERS/Caren Firouz
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Related topics:
Future of the EnvironmentSustainable DevelopmentEnergy Transition
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