What would YOU like to hear about on Bloomberg? Help make shows like ours even better by taking our Bloomberg audience survey.

Bill Gates, chair of the Gates Foundation and founder of Breakthrough Energy, speaks with Bloomberg Editor-in-Chief John Micklethwait about the fight against climate change, the future of global health and the role of innovation in addressing the world’s most pressing challenges at Bloomberg New Economy at B20 in Sao Paulo, Brazil.

New Economy at B20 is being organized by Bloomberg Media Group, a division of Bloomberg LP, the parent company of Bloomberg News.