One (WSJ) story, on Saturday, explained how the United Nations, which oversees the growing trade in carbon credits from the developing world, is cracking down – largely because of concerns that environmentally questionable projects are getting through the system.
The carbon market so far has done little to curb emissions. Backers say its promise is as a first step. At issue in the debate over the legitimacy of carbon credits is whether the whole concept of using markets attack greenhouse-gas emissions will get a "black mark" in the eyes of politicians and the public, says William Pizer, Read more from wsj.com
