When human activities may lead to morally unacceptable harm that is scientifically plausible but uncertain, actions shall be taken to avoid or diminish that harm. Morally unacceptable harm refers to harm to humans or the environment that is
- threatening to human life or health, or
- serious and effectively irreversible, or
- inequitable to present or future generations, or
- imposed without adequate consideration of the human rights of those affected.
In a rare move, the international community decided to delay commercial fishing in the Arctic, for at least 16 years, for scientists to understand the ecosystem. Melting sea ice is opening the Arctic to fishing and transportation.