Convention on the Prohibition of Military or Any Other Hostile Use of Environmental Modification Techniques This Convention, an opportunity to the public in the areas likely to be affected to participate in relevant environmental impact assessment procedures.A convention establishing an effective system of collective protection of the cultural and natural heritage of outstanding universal value. In the International Convention on. The first of these took place at COP28 in the United Arab Emirates (UAE) in 2023. Caribbean in October 2022.