Earth Overshoot Day: How much do we owe the planet?

July 30 marked what the Global Footprint Network calls Earth Overshoot Day. It's the date when humanity has used up all the biological resources that the Earth can regenerate in a year. How deep is our ecological debt to the planet? How should we rethink our economic models, our lifestyles, and our relationship with nature?

Climate Watch host Zhao Ying speaks with Arvea Marieni, European Climate Pact Ambassador, and Paul Beckwith, a climate system analyst based in Ottawa.