Over a pint in Oxford, we may have stumbled upon the holy grail of agriculture | George Monbiot

I knew that a revolution in our understanding of soil could change the world. Then came a eureka moment – and the birth of the Earth Rover ProgramReport: Experts say seismic waves can check soil health and boost yieldsIt felt like walking up a mountain during a temperature inversion. You struggle through fog so dense you can scarcely see where you’re going. Suddenly, you break through the top of the cloud, and the world is laid out before you. It was that rare and remarkable thing: a