Around 3 billion people worldwide use traditional biomass and coal as their main sources of fuel at home, and 1.4 billion people have no access to electricity. To remedy this, the UN launched a call for universal access to modern energy in 2012, with a target year of 2030. Prof. Shyama V. Ramani sends this update from an international workshop on the issue. The Milan Expo 2015 is showcasing technology from more than 140 countries to help ensure “healthy, safe and sufficient food for everyone, wh...