[[Barack Obama]] believes "that global warming is not just the greatest [[environmental]] [[challenge]] facing our planet—it is one of our greatest challenges of any kind." During his first 100 days in office, he would enact a giant and far-reaching [[tax]] "an economy-wide cap on U.S. carbon emissions that will reduce U.S. emissions by the amount scientists agree is necessary (80% by 2050). With worldwide cuts in emissions estimated to cost '''$45 Trillion dollars''' overall. <ref>Lewis, Leo (June 6, 2008). [http://web.archive.org/web/20110812023020/http://business.timesonline.co.uk/tol/business/industry_sectors/natural_resources/article4079036.ece "World needs $45 trillion energy revolution"]. The Times Online [London]. Retrieved from August 12, 2011 archive at Internet Archive on September 29, 2014.</ref> He comments "Putting a price on carbon is the most important step we can to take to reduce emissions."<ref> [http://web.archive.org/web/20071017065101/http://presidentialprofiles2008.org/Obama/tab1.html "Senator Barack Obama (D)"] (2007). '08: On the record/League of Conservation Voters. Retrieved from October 17, 2007 archive at Internet Archive on September 29, 2014.</ref> | [[Barack Obama]] believes "that global warming is not just the greatest [[environmental]] [[challenge]] facing our planet—it is one of our greatest challenges of any kind." During his first 100 days in office, he would enact a giant and far-reaching [[tax]] "an economy-wide cap on U.S. carbon emissions that will reduce U.S. emissions by the amount scientists agree is necessary (80% by 2050). With worldwide cuts in emissions estimated to cost '''$45 Trillion dollars''' overall. <ref>Lewis, Leo (June 6, 2008). [http://web.archive.org/web/20110812023020/http://business.timesonline.co.uk/tol/business/industry_sectors/natural_resources/article4079036.ece "World needs $45 trillion energy revolution"]. The Times Online [London]. Retrieved from August 12, 2011 archive at Internet Archive on September 29, 2014.</ref> He comments "Putting a price on carbon is the most important step we can to take to reduce emissions."<ref> [http://web.archive.org/web/20071017065101/http://presidentialprofiles2008.org/Obama/tab1.html "Senator Barack Obama (D)"] (2007). '08: On the record/League of Conservation Voters. Retrieved from October 17, 2007 archive at Internet Archive on September 29, 2014.</ref> |