Business Carbon Calculators

• The Climate Conservancy  - Stanford-based nonprofit working with companies to standardize, assess and label products with life cycle green house gas emissions.
• Kentucky Utlities' Commercial Energy Calculator
• The Green Office consulting company offers much info on their site, and an opportunity to calculate your office footprint.
• Carbon Footprint is a British-based company with a free calculator.
  

Personal Carbon Calculators

• United Kingdom's Direct Gov
• Eating Greener Calculator
• Consumer Reports Greener Choices
• Carbon footprint and fuel economy calculators
• Appliance: HVAC, refrigerator, washer, dryer calculators
  
• Kentucky Utilities' Home Energy Calculator
• EPA Personal Emissions Calculator
• As seen in the movies, Calculate Your Impact
• Atmosphere Climate Club
• Earth Lab
• The Nature Conservancy
  

Industry Carbon Calculators

• Life Cycle Assessment in Agricultural Products
• Generator wattage calculator
• CARMA - Carbon Monitoring for Action, measures powerplant emissions worldwide

Carbon Offsets

• TerraPass - Calculates travel, home energy and other useful things
• Carbon Fund
• Conservation International

Life Cycle Assessment

• Life Cycle Assessment for Purchasing Agents (Seattle)
• April 2007 conference on Life Cycle Analysis

Consultants

• Athena Institute - Building Caluclators & Life Cycle Assessment
• BEES - Building for Environmental and Economic Sustainability software and sustainable product listing.
• Climate Counts is soliciting measurements and ratings for major companies, look for more products and industries to be added.

Definitions

• An Explanation of Carbon Footprint
• Carbon-Free Product – Carbon Footprint Protocol
• Green Certification by Green-e
• Life Cycle Assessment