Originally Posted by HawkOwl

Additionally, on a global basis there is a growing recognition that there isn't enough room for our current population, let alone forecasted growth.

As populations grow they become subject to all kinds of ills. Members become more aggressive to each other. There is less concern for other members of the community. The population becomes less able to clean up after itself creating ever increasing levels of pollution. All of which directly affect cycling as well as the rest of our lives.