Efforts to date are falling far short of achieving the greenhouse gas reduction needed to avoid catastrophic climate disruption. Bioethicist Travis Rieder shakes things up by suggesting ethical use of public policy to encourage smaller families, which would result in dramatic decrease of carbon emissions. This is part two of our conversation with Rieder. In part one, we discussed whether couples have a moral responsibility to have just one or perhaps no children. For more information, visit http://www.conversationearth.org
