Canada's fossil fuel industry is banking on carbon capture to lower emissions. Is it a viable solution?

Fossil fuel companies in Canada have made carbon capture a key part of their pledges to reduce greenhouse gas emissions. The idea is to minimize the amount of carbon that ends up in the atmosphere, while continuing to extract more oil and gas. But is that realistic? Here is a closer look at the technology, where it is being used in Canada, and how it could play into the pivotal climate talks that begin Thursday in Dubai.