There are similarities between the two economies set to be the fastest-growing this year—but their paths to greater prosperity will not look like those that came before. One of Australia’s most important river systems is in trouble, and a logjam of millions of dead fish is just one sign. And what to do with the abandoned luxury yachts of Russia’s super-rich.For full access to print, digital and audio editions of The Economist, try a free 30-day digital subscription by going to www.economist.com/intelligenceoffer Hosted on Acast. See acast.com/privacy for more information.