About this Youtube video: Justin Trudeau has joined the rising chorus of Western leaders alarmed by fires ravaging the Amazon rainforest saying more needs to be done to protect the environment when the G7 summit takes place this weekend. Welcome to The National the flagship nightly newscast of CBC News Subscribe to The National to watch more videos here Voice Your Opinion Connect With Us Online The National Updates on Facebook The National Updates on Twitter The National is CBC Television s flagship news program. Airing six days a week the show delivers news feature documentaries and analysis from some of Canada s leading journalists..