Author: David Angus Ness, Adjunct Professor, UniSA STEM, University of South Australia

Humanity’s rapacious consumption is more than Earth and its climate can handle, which is driving an ecological crisis. Australians are the worst offenders per person due to our excessive resource use. At the same time, people in some parts of the world lack the material goods to meet their basic needs, while many people in wealthier societies have more than enough to live comfortably. That’s where the concept of “sufficiency” can help. It’s a policy approach that avoids demand for energy, materials, land and water, and ensures wellbeing for all humans, while staying within planetary boundaries. What does this mean…