The major outcome of the Earth Summit in Rio de Janeiro, 1992 were
1. The Rio Declaration on environment and development that consisted of 27 principles intended to guide countries in future sustainable development.
2. Agenda 21 which is a non-binding, voluntarily implemented action plan designed to guide sustainable development in the 21st century.
3. The Forest Principles which incorporated guidelines for the conservation of forests.
4. Certain important multilateral agreements were opened for signature. They were the
a. Convention on Biological Diversity.
b. Convention of Climate Change.
c. Convention to Combat Desertification.