Is net zero the right target?

There are just days to go until the much anticipated COP26 climate conference, which is taking place in Glasgow, Scotland. Net zero emissions appears to be the target that many countries have committed to - but is the right objective for all, and which nations need to be more ambitious? Trophy hunting, paying to kill large animals, often in African game reserves, promotes strong feelings; many oppose it, but some conservationists argue it adds value to wildlife and their habitats. Vivienne Nunis has an extended report. Plus, one of the most legendary music back catalogues is up for sale - David Bowie’s estate is in talks with buyers and has attracted bids of around $200m. And last year, assets under management using sustainable investing strategies in the United States reached $17.1 trillion, according to the Forum for Sustainable and Responsible Investment; Kai Ryssdal from our sister show, Marketplace talks to Emily Stewart from Vox, about the socially responsible investing trend. Plus, we're joined throughout the programme by Colin Peacock of Radio New Zealand. Picture description: coal fired power station in China. Picture Credit: Getty Images