When I get into a discussion with friends and family about the future of the planet, I first ask them to Google earth the following citys, I tell them to zoom in close then slowly pull back on each city, after they complete that task we usually have a more au fait conversation.
Shanghai, China 13.3 million
Mumbai (Bombay), India 12.6 million
Buenos Aires, Argentina 11.92 million
Moscow, Russia 11.3 million
Karachi, Pakistan 10.9 million
Delhi, India 10.4 million
Manila, Philippines 10.3 million
Sao Paulo, Brazil 10.26 million
Seoul, [...]
