Canada November 4 2019 2:48pm 00:33 What is net-zero emission? You may have heard of the term “net-zero”, especially in a discussion around climate change. To slow down climate change agencies are pushing for a net-zero emission. But what does Net-zero even mean? Eyeing the rise of environmentally conscious travel, Qantas pledges net zero emissions by 2050 More than 11,000 scientists declare global climate emergency in signed letter Responsive site?