Principle 6. Prevent harm as the best method of environmental protection and, when knowledge is limited, apply a precautionary approach.
a). Take action to avoid the possibility of serious or irreversible environmental harm even when scientific knowledge is incomplete or inconclusive.
b). Place the burden of proof on those who argue that a proposed activity will not cause significant harm, and make the responsible parties liable for environmental harm.
c). Ensure that decision making addresses the cumulative, long-term, indirect, long distance, and global consequences of human activities.
d). Prevent pollution of any part of the environment and allow no build-up of radioactive, toxic, or other hazardous substances.
e). Avoid military activities damaging to the environment.