Cross-posted from RH Reality Check. "Are we going to talk about sex again?!" screamed my 12-year-old son, Nick, as he ran down the stairs, away from me. That was five years ago, and I had just sat down with him to have one of our father-son talks, this time about sex and sustainability. Now Nick, a senior, is preparing for college at the same time that the global community is preparing for its own important landmark: The United Nations predicts that on Oct. 31, world population will reach 7 billion. The confluence of these two events gives me reason to …
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Roger-Mark De Souza
Roger-Mark De Souza is the vice president for research and director of the climate program at Population Action International in Washington, D.C. Previously he worked at the Sierra Club, Population Reference Bureau, and the World Resources Institute.