A Global Warming Advocate Makes the Case Against Carbon Offsets
"Between 2005 and 2007 the market for carbon offsets grew 175%, reaching $110 million (Faris 2007). But just as buying indulgences in the Middle Ages never really erased your sins, carbon offsets rarely counteract your carbon use. Moreover, in some cases, carbon offset projects actually hurt local people. Many experts now believe that well-intentioned consumers are not just wasting their money on offsets, but that purchasing them actually does more harm than good."
Read her essay here.