Rio是什么意思？

The protection and improvement of the human environment is a major issue which affects the well-being of peoples and economic development throughout the world, read the final declaration from this gathering, the first of a sequence which would lead to the Rio de Janeiro Earth Summit in 1992 and the World Development Summit in Johannesburg three years ago.

"The protection and improvement of the human environment is a major issue which affects the well-being of peoples and economic development throughout the world," read the final declaration from this gathering, the first of a sequence which would lead to t