GHG Emissions Management, Carbon Calculators and Offsets

• The Greenhouse Gas Protocol
• Consumer Guide to Carbon Offsets PDF
• Conservation International
• The Nature Conservancy
• Carbon Fund
• Personal Emissions Calculator (EPA)
• Google Gadgets - Footprint Calculator

Meetings

• Planning Environmentally Aware Events (EPA)
• One Stop Information Source for Green Meetings (EPA)
• Meeting Professionals International
• Green Meetings Policy PDF (NRC)
• Meeting Planner's Questionnaire (Green Hotel Association)

Lodging

• Energy Star for Hospitality (EPA)
• Green Hotels Association
• Green Hotel Certification
• Green Hotel Initiative (Ceres)
• Green Leaf Eco-Rating for Lodging Program (Canada)
• International Hotels Environmental Initiative
• Lodgings Certification Program (GreenSeal)
• Minimum Standards Towards a Sustainable Hotel PDF
  
• Sustainable Travel
• US Green Buildings Council

Fleet

• Green Your Fleet PDF (ICLEI)
• Green Fleet Program (PHH Arval)
• The Green Car Company

Commuting

• A Blueprint for Building an Employee Commute Program
• Driving Green tips
• Best Workplaces for Commuters
• Green Commuting Handbook PDF
• Clean Air Council
• NuRide - The Rewarding Way to Go

Purchasing Guides

• Better World Club
• Green Suites International - products
• Centre for the New American Dream
• The Enterprising Kitchen
• Environmental Choice Program (Canada)
• Ecolabelling Programs and Resources (Oceans Blue Foundation)
• Greening the Lodging Industry Projects (Green Seal)
• Living Oceans Initiative (Audubon Society)
• Marine Stewardship Council
• Monterey Bay Aquarium Seafood Watch
• Purchasing Database of Environmental Information (EPA)
• RecycleBank - Rewards for Recycling
• Ten Thousand Villages
• TransFair USA