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? 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