Christian Science Monitor: Probably the most widely discussed economic analysis on what the transition to a low-carbon economy will cost is the so-called Stern Review by British economist Nicholas Stern. First released in 2006, the report put these costs at 1 percent of Gross Domestic Product. Then, in 2008, as it became clear that Earth’s climate was changing faster than many had forecast, Stern upped the estimate to 2 percent of world GDP. While he acknowledges that this cost presents a challenge, he …