The international community has long grappled with the issue of safeguarding the environment and encouraging sustainable development, often with little result. The 1992 Rio Declaration on Environment and Development was an emphatic attempt to address this issue, setting down 27 key principles for the international community to follow. These principles define the rights of people to sustainable development, and the responsibilities of states to safeguard the common environment. The Rio Declaration established that long term economic progress required a connection to environmental protection....