Sufficiency asks for the right measure. Sustainability requires a threefold strategy: eco-efficiency is broadly accepted; consistency is the transition to technologies consistent with nature; but without sufficiency, they both miss the goal.
The strategy refers to lifestyles and business behaviours that end the overuse of goods and thus resources and energy.
The leading questions of an eco-sufficiency research are:
Here you find publications on sufficiency.
Here you find research activities in the field of sufficiency.