Personal Resources

Consumer Guides

Better World Shopper - http://www.betterworldshopper.org/rankings.html
Climate Counts - http://climatecounts.org/ Shopping guide for consumers
Energy star - http://www.energystar.gov/ - Energy efficient products and practices
Fair Trade - http://www.transfairusa.org/
Home Electronics - http://www.environmentalleader.com/2008/11/30/dell-apple-microsoft-hp-perceived-as-us-green-leaders/

Footprint Calculators

Consumer Calculator (calculates all GHG not just carbon)- http://bie.berkeley.edu/files/ConsumerFootprintCalc.swf
Nature Conservancy- http://www.nature.org/initiatives/climatechange/calculator/
Wee folks calculator - http://www.islandwood.org/kids/impact/footprint/index.php

Offset Providers

Native Energy - http://www.nativeenergy.com 
Climate Trust - http://www.climatetrust.org/
E-Blue Horizons  - http://www.e-bluehorizons.net
Sustainable Travel International  - http://www.sustainabletravelinternational.org/
TerraPass  - http://www.terrapass.com