Pricey policies to curb climate change 'dead'

The latest climate summit has been as hypocritical and dysfunctional as every one before, with most world leaders not even bothering to turn up. Still, 50,000 people flew in from across the world, while essentially telling the rest of us to stop flying. Poor-country politicians performatively staged a "walk-out", and rich nations ended up promising a climate slush fund of...