 Complete the following phrase:  Recent decades have shown a growing need for global solutions to global problems. As cross-border environmental challenges have grown in scale, the nations of the world have turned to international organisations in search of a common platform in which to address these problems. One such platform has been the United Nations UN, institutionalized in the Conventions on Global Warming and on Biodiversity, more specifically the United Nations Framework Convention on Climate Change UNFCCC and the 