The convention on biological diversity is dedicated to promote sustainable development conceived as a practical tool for translating the principles of:

The correct option is Agenda 21.

Explanation:

The Convention on Biological Diversity (CBD) is a landmark international treaty that was opened for signature at the Earth Summit in Rio de Janeiro in 1992. It is dedicated to promoting sustainable development and is conceived as a practical tool for translating the principles of Agenda 21 into reality.

Agenda 21 is a comprehensive, non-binding action plan of the United Nations with regard to sustainable development. It was a major outcome of the same 1992 United Nations Conference on Environment and Development (UNCED), also known as the Rio Earth Summit. The "21" in Agenda 21 refers to the 21st century, representing a global blueprint for sustainable action to protect our planet's biodiversity and resources.