1. The impact of megacities on health: preparing for a resilient future
Ashley Jowell, Bright Zhou, Michele Barry 
The Lancet Planetary Health 
Volume 1, Issue 5, Pages e176-e178 (August 2017)
DOI: /S (17)
Copyright © 2017 The Author(s). Published by Elsevier Ltd. This is an Open Access article under the CC BY 4.0 license Terms and Conditions

2. Figure Top 10 megacities with approximate population sizes as of 2016
Information sourced from UN Department of Economic and Social Affairs.1
The Lancet Planetary Health 2017 1, e176-e178DOI: ( /S (17) )
Copyright © 2017 The Author(s). Published by Elsevier Ltd. This is an Open Access article under the CC BY 4.0 license Terms and Conditions