How can the population be reduced?

http://www.conserve-energy-future.com/causes-effects-solutions-of-overpopulation.php (Some info)

http://app.discoveryeducation.com/techbook2:concept/view/guidConceptId/96eaf89e-6745-4bed-83a5-2db
26d0f4364/guidUnitId/4be31ac2-7b0f-4762-a2ad-4ee6691ec694#/tab=evaluate-tab&page=NaN&subTab= (Some Info)

Migration from areas of high population to more rural areas

Better family planning.
(More people considering becoming parents should look into adoption.)