TechnologyPeople without electricity could end up living the energy dream Solar power is giving millions of people access to electricity for the first time – could they bypass traditional fossil fuel grids altogether? Insight
EarthPlanting trees could mop up ten years’ worth of greenhouse gases The planet is still warming inexorably, with 2017 set to be one of the three hottest years on record, but a major programme of tree-planting could help cool the world News