1http://www.wmata.com
2http://www.rideshareonline.com
3http://www.rideshareonline.com/CostCalculator.htm
4http://www.commutesolutions.org/calc.htm
5http://www.epa.gov
6http://yosemite.epa.gov/oar/globalwarming.nsf/content/ResourceCenterToolsGHGCalculator.html
7http://www.aaa.com
8http://www.aaapublicaffairs.com/Main/Default.asp?CategoryID=3&SubCategoryID=9&ContentID=23
9http://www.edmunds.com
10http://www.edmunds.com/apps/cto/CTOintroController
11http://www.terrapass.com
12Langer, Gary, “Poll: Traffic in the United States, A Look Under the Hood of a Nation on Wheels”. ABC News, February 13, 2005.
13Fogg, B.J., Persuasive Technology: Using Computers to Change What We Think and Do. Morgan Kaufmann Publishers, 2003.
14http://www.eia.doe.gov/pub/oil_gas/petroleum/data_publications/ company_level_imports/current/import.html
15Adams, Kathleen; Caplan, Jeremy; Dell, Kristina; Masters, Coco, Time Magazine, October 30, 2006, page 41, “America by the Numbers”
16Ritter, Karl, “Global Warming: Countries Lose Sight of Kyoto Targets”, The Gazette (online), November, 2006.
17http://www.EurActiv.com, “Studies Make Case for Fighting Climate Change”
18Homer-Dixon, Thomas, “Unleash Canada’s Capitalist Creativity on Global Warming”, The Globe and Mail, 10/21/06 page A25.
19http://www.tfhrc.gov/pubrds/05mar/01.htm (Department of Transportation, Federal Highway Administration)
20Künzli, N. et al. Public health impact of outdoor and traffic-related air pollution: a European assessment. Lancet, 356: 795–801 (2000).
21http://www.chi2007.org/submit/designcomp.php
22http://www.chevron.com
23http://www.doe.gov
24Foss, Brad, “Power Execs Foresee Carbon Emission Caps”, The Mercury News, San Jose, 10/21
25http://walking.about.com/library/cal/uccalc1.htm
26http://www.nabisco.com
27http://www.terrapass.com
28http://www.mapquest.com
29http://www.myfootprint.org
30http://www.c-i-a.com/pr0305.htm CIA Inc (Computer Industry Almanac Inc.)
31http://www.infoworld.com/archives/emailPrint.jsp?R=printThis&A=/article/06/04/07/77227_HNcellphonerecord_1.html
32Gadallah, Mamdouh R., Fisher, Ray L., Applied Seismology: a Comprehensive Guide to Seismic Theory and Application. Pennwell Corporation, 2004
33http://www.techsmith.com/camtasia.asp?CMP=KgoogleCStm
34http://www.fuelgaugereport.com/
35http://www.fuelcostcalculator.com/
36http://www.fueleconomy.gov