The treaty was adopted by the original signatories on September 2, 1947 in Rio de Janeiro (hence the colloquial name "Rio Treaty").

This system was formed by the Rio Treaty of 1947 and the related Charter of the Organisation of American States.

Guatemala signed the Rio Treaty of Inter-American Assistance in 1947.

In 2001, the United States invoked the Rio Treaty after the September 11 attacks but Latin American democracies did not join the War on Terror.

The signing of the Rio Treaty in 1947 guaranteed US defence of the Western Hemisphere in peace as in war.

"We signed the Rio Treaty on biodiversity and we are a responsible country in preserving the environment."

And that didn't change with the Rio Treaties, did it?

The Rio Treaties did allow one to withhold information temporarily--or try to--so long as careful records were maintained.

Normally a serious thing, breaking the provisions of the Rio Treaties was at this point the least of their worries.

You must be aware certain government agencies are exempt from the open-access provisions of the Rio Treaties.