The 120 heads of state and some 50,000 environmentalists, social activists, and business leaders gathered this week in Brazil for the Rio+20 conference on sustainable development deserve credit for trying to save the planet, but they may be missing the point about the best way to do it.
No, I’m not among those Al Gore-bashers who claim that climate change, water scarcity, ocean pollution and other environmental problems are an invention of scientists or those who argue that businesses should not be hampered by more environmental rules.
Environmentalists are right when they say that toxic gases, industrial pollution and the
