Bill Gates is known for his philanthropic work on HIV and malaria. He also has an interest in global warming, particularly technological approaches to dealing with it. The world has now the technology to produce the food that will be needed for the year 2025 - he says.
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