Did the Glasgow climate summit fail?

After walkouts, tears and last-minute deals, the UN climate summit in Glasgow is over, and all 197 countries have signed up to the final agreement. So what's in it? Today on The Signal, we're bringing you the successes and failures of COP26. Where does the world stand after the most crucial climate meeting to date? Featured: Lesley Hughes, Professor of Biology at Macquarie University & Climate Councillor, Climate Council of Australia