Marc Redmile-Gordon is an expert in the crucial link between soil and climate change, and is part of the RHS's science team. Jackie Stroud is a soil scientist based at Rothamsted Research one of the oldest agricultural research stations in the world.
Budding ecologists will unearth a warren of astonishing facts (did you know, for instance, that one handful of soil contains more organisms than there are people on the Earth?) * Daily Telegraph *