3Todd B.Adams,Is There A Legal Future For Sustainable Development In Global Warming?Justice,Economics,And Protecting The Environment,16 Geo.Int'l Envtl.L.Rev.77,78(2003).
7Principle 15 of Rio Declaration:"In order to protect the environment,the precautionary approach shall be widely applied by States according to their capabilities.Where there are threats of serious or irreversible damage,lack of full scientific certainty shall not be used as a reason for postponing cost-effective meagures to prevent environmental degradation.".