This short video gives a graphic insight into world population growth across the globe from 1 AD up to 2030 AD. Each dot represents 1 million people.
This is part of a wealth of resources on 2degrees, the world's leading sustainable business community. You might also be interested in:
Rolling Off the Sofa and Going for a Walk: 4 ways to embed sustainability in employees
Geoff McDonald from Unilever on How to Engage the Whole Company on Sustainability
And finally if you are interested in smart cities you can register for the 2degrees webinar, 'How do you create a smart city?', with practical examples from Helsinki and Melbourne, or check out some of the other resources in the 2degrees 'Smart Cities' working group.