Miami Herald: Faced with the prospect of either bypassing Congress or doing nothing about America's poisonous greenhouse-gas emissions, President Obama made the right decision this week. He set a goal of cutting carbon pollution from power plants by 30 percent from 2005 levels by 2030.
The most important aspect of the Obama plan is that it represents, at last, a concrete response to an undeniable challenge. Doing nothing is not an option when facing the dire consequences of climate change. Human beings are...