<P> The United Nations Conference on Environment and Development ( UNCED ) , also known as the Rio de Janeiro Earth Summit , the Rio Summit , the Rio Conference , and the Earth Summit ( Portuguese : ECO92 ) , was a major United Nations conference held in Rio de Janeiro from 3 to 14 June 1992 . </P>
<P> The United Nations Conference on Environment and Development ( UNCED ) , also known as the Rio de Janeiro Earth Summit , the Rio Summit , the Rio Conference , and the Earth Summit ( Portuguese : ECO92 ) , was a major United Nations conference held in Rio de Janeiro from 3 to 14 June 1992 . </P>
where was the first international earth summit held
where was the first international earth summit held
Rio de Janeiro
Rio de Janeiro