The United Nations Framework Convention on Climate Change (UNFCCC) was the outcome of

The UNFCCC emerged from the 1992 Earth Summit held at Rio de Janeiro.

The Paris Agreement came much later, in 2015, under the UNFCCC, not before it.

The Montreal Protocol addresses ozone-depleting substances, a separate treaty.

The Convention on Biological Diversity, though also from Rio, is a distinct agreement.

The Earth Summit also produced Agenda 21 and the biodiversity convention.

The UNFCCC set the framework for later climate negotiations.