Sustainability principles provide a normative framework for evaluating whether environmental management strategies and development decisions are genuinely sustainable. In VCE Environmental Science, these principles are applied across both biodiversity conservation and broader environmental management contexts.
Sustainability principles are guiding rules derived from the concept of sustainable development, defined by the Brundtland Commission (1987) as:
“Development that meets the needs of the present without compromising the ability of future generations to meet their own needs.”
The six sustainability principles recognised in the VCE Environmental Science study design are:
| Principle | Core Concept |
|---|---|
| Conservation of biodiversity and ecological integrity | Maintain natural systems and the variety of life |
| Efficiency of resource use | Use resources wisely; minimise waste |
| Intergenerational equity | Preserve options for future generations |
| Intragenerational equity | Fair distribution of benefits and burdens within the current generation |
| Precautionary principle | Take preventive action under uncertainty |
| User pays principle | Those who cause environmental harm bear the costs |
The principles connect to three dimensions of sustainability:
ECONOMIC
__________|__________
| Sustainable
| Development
|________________
ENVIRONMENTAL SOCIAL
A truly sustainable decision integrates all three dimensions rather than treating them as trade-offs.
In practice, sustainability principles can conflict:
- Efficiency vs. Intragenerational equity: The most efficient land management may concentrate costs on already disadvantaged communities
- User pays vs. Intragenerational equity: Small farmers may lack resources to pay the full environmental cost of their activities
- Precautionary principle vs. Economic development: Restricting development under uncertainty has economic costs
Recognising these tensions — and explaining how they were navigated in decision-making — is a high-order skill in VCE Environmental Science.
REMEMBER: Always apply these principles specifically to the scenario given — define the principle, then explain exactly how the scenario upholds or violates it. Broad statements like ‘this upholds sustainability’ without specifying which principle score poorly.