by Claire Tighe ’13 In order to maintain a livable atmosphere for life on Earth, big polluters such as the United States, need to significantly reduce their greenhouse gas (ghg) emissions. Without either a carbon cap-and-trade system or a carbon tax imposed by the federal government, the future of climate change looks bleak, particularly in relation to the pending international climate change agreements (For a great introduction of the dynamics and concerns of the cap-and-trade system, see Holme Hummel’s slideshow). As economist Nat Keohane presents in his video about cap-and-trade here, a concrete, comprehensive domestic emissions restriction will encourage other international states to create their own policies, or even sign onto a post-Kyoto agreement. If competing countries, such as China, see that the United States has made a commitment to cut carbon, … Read entire article »