The United Nations Conference on Environment and Development (UNCED), also known as the 'Earth Summit', was held in Rio de Janeiro, Brazil, from 3-14 June 1992. United Nations Convention on the Recognition and Enforcement of Foreign Arbitral Awards (New York, 10 June 1958).A community for climate action. We accelerate climate solutions through collaboration and community. The Paris Agreement is a legally binding international treaty on climate change. The New York Declaration for Refugees and Migrants recognizes the crucial role of environmental degradation, disasters and climate change for human mobility. Looking for more information about our Environmental Initiatives? Find out more from the Port Authority of New York and New Jersey. The New York Declaration marks a political commitment of unprecedented force and resonance. Nations Headquarters in New York from 15 June 1992 to 4 June 1993.