ClimateBiz: A Point Carbon report published last week suggests greenhouse gas reduction targets outlined in the recent Waxman-Markey House climate change bill will require more carbon offsets than what will be available domestically. That means U.S. emitters will look increasingly to overseas offsets and power generation fuel switching as 2020 approaches, which could potentially push the price of carbon past the $50 per ton mark. However, there are several provisions that can help ease …