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1992
The UN Conference on Environment and Development (UNCED) was a milestone in the global acknowledgment of sustainable economic development. In a combined effort the 170 participating countries committed to the Declaration of Rio as well as the framework Agenda 21.
The Declaration of Rio contained fundamental principles on which nations can base their future decisions and policies, considering the environmental implications of socio-economic development around the wider topics:
- Systematic scrutiny of patterns of production
- Alternative sources of energy
- New reliance on public transportation systems
- The growing usage and limited supply of water
Agenda 21 recognises that human beings are at the center of concerns for sustainable development and are, therefore, entitled to a healthy and productive life in harmony with nature.