date:Sep 20, 2012
that are minimally dependent on non-renewable energy sources and maximally dependent on solar, geothermal or tidal energy, the report said.
Sustainable ecosytems are shrinking and disappearing, and we are foolish if we think we are a species that can be viable without them.
Give greater support
The researchers also recommended giving greater support to public nutrition policy to encourage varied plant-based diets and discourage animal-based nutrition, which it scored poorly on sustainability,