There is a process restaurants can go through that is called “LEAF certification. LEAF certified restaurants have declared they are committed to the environment and providing a sustainable dining experience. Each restaurant must undergo an on-site review by a LEAF Accredited Consultant and meet minimum requirements in ten key areas of sustainability including: 1. Energy use2. Food purchasing and menu items3. Supplies4. Building and location5. Furnishing and decorative items6. Chemicals7. Waste and recycling8. Employees9. Policy and innovation10. Water use In Calgary the current LEAF certified restaurants include: Cafe Beano Calgary Zoo Community Natural Foods Craft Beer Market Fiasco Taiko Taco Mountain Mercato Odyssey Coffehouse River Cafe Sait School of Hospitality and Tourism Coup + Meet Una Pizza and Wine Heane House J.Webb Wine Merchant You can read more about the LEAF certification process on the LEAF website.