Over-population is a major environmental issue we face as a species. Currently with a global population of over 6 billion people we are using one and a half times the resources the Earth can renew sustainably.Whether those living on the planet will have the needed water and food resources is a serious question as the planet’s population continues to grow at an exponential rate. How can we sustain a global population that continues to grow on a planet where the resources are finite and starting to dwindle? The radio segment in the link below asks two people what their family planning decisions were and whether global planetary population growth influences their decisions.