There are rolling blackouts going on in Ukrainian cities, but the real danger is of an unplanned large-scale shutdown. If that happened, then there could be real damage to Ukraine, the infrastructure and to industry. The Ukrainians say they're shooting down more than 50%, but that clearly isn't enough. Much of the Ukrainian grid still runs on old Soviet era technology.
Russia has been targeting Ukraine’s energy infrastructure with missiles and drones. Ukraine’s air defences are struggling to keep up, and many households are without power as winter approaches. Bill Gates has a plan to boost African crop yields. And as the BBC turns 100, we reflect on its legacy, and look at challenges ahead. For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/intelligenceoffer