UN Chief on Climate Change and his vision for the 2019 Climate Change Summit

In a landmark speech September 10, United Nations Secretary-General António Guterres said, “Climate change is the defining issue of our time – and we are at a defining moment,” adding that “if we do not change course by 2020, we risk missing the point where we can avoid runaway climate change, with disastrous consequences for people and all the natural systems that sustain us.”