 The Declaration on the Human Environment also known as the Stockholm Declaration set out the principles for various international environmental issues, including human rights, natural resource management, pollution prevention and the relationship between the environment and development.The conference also led to the creation of the United Nations Environment Programme.The Brundtland Commission set up by Gro Harlem Brundtland, the pioneer of sustainable development, provided the momentum for first Earth Summit 1992 – the United Nations Conference on Environmental Development (UNCED), that was also headed by Maurice Strong, who had been a prominent member of the Brundtland Commission – and also for Agenda 21.