Podcast:The Intelligence from The Economist Published On: Tue Jan 24 2023 Description: Around one-fifth of Ukraine’s population has fled. The country’s GDP has plummeted and foreign investors are staying away. Even as the fighting rages, the world has already begun thinking about how to rebuild the country. How a 36-year-old treaty helped heal the ozone layer. And why the pandemic did not lead to a wave of job-killing automation.