The United Nations Environment Programme (UNEP) launched the Clean Seas Campaign for the elimination of plastic-based marine litter in Nusa Dua, Bali, to coincide with The Economist's fourth World Ocean Summit, which took place on February 22 to 24. At the summit, the United Nations General Assembly President, Peter Thomson, spoke on the UN Sustainable Development Goals (SDG) 14, with a focus on the conservation and sustainable use of the oceans,