Edible Gardening

 Edinburgh's Royal Botanic Garden has an Edible Gardening Project with on-site polytunnel.

Caterer Sodexo uses the produce in their on-site restaurant

 Attractive signage in theire cafe.

Serious Recycling

Royal Botanic Garden Edinburgh, and their caterer Sodexo, are serious about recycling with notices on every outside table plus the appropriate bins.