The G20 meeting in Hangzhou, China, this September brings together leaders of the world’s largest economies for the first such gathering since the 2015 Paris Agreement on climate. G20 Leaders Summits traditionally focus on economic growth and financial stability, but since more than 190 countries collectively agreed to greatly enhance mitigation of the causes and impacts of climate change, the need to tackle a changing climate and foster clean energy has become a clear economic and business reality.