Oilsands emissions have grown from 41 million tonnes in 2007 to 92 million tonnes in 2024. Oilsands emissions have grown from 41 million tonnes in 2007 to 92 million tonnes in 2024. That plan involved carbon capture, a technology that filters out carbon dioxide from industrial exhaust streams and stores it so it doesn’t get released into the air. Over a 24-year period, 68.7 million tonnes of carbon dioxide was captured across Canada, according to Environment and Climate Change Canada. In Edmonton, Harper talked about “the exciting new technology called carbon capture and storage.”