Anciens offers innovative knowledge and design to cultivate food security old knowledge fused with modern technology , Anciens 2015 Four key principles. 1. Sustainable Foodways Knowledge. Multi-layered place specific food knowledge. 2. Sustainable and Healthy Communities. Food citizenship and roles as co-producers. 3. Sustainable Food Practices. Food as development not trade. 4. Sustainable Environments. Stewardship of natural and social resources.