This document provides an overview of several key international environmental conventions, policies, and protocols. It summarizes the objectives and key articles of conventions related to biodiversity, climate change, hazardous waste, and more. Major agreements discussed include the UN Framework Convention on Climate Change, the Kyoto Protocol, the Convention on Biological Diversity, and the Rio Declaration on Environment and Development. The document also provides details on the origins and objectives of the UN conferences that led to the establishment of these global environmental treaties.