Soil is one of the most powerful carbon sequestering tools known to man, and protecting it will lead to greater food security with higher nutritional content, better water quality and of course can also play a huge part in reducing global warming. This week Dr Ratan Lal, winner of the 2020 world food prize, talks passionately about his life's work with soil and how we need to harness this incredible ecosystem for good.

Episode synopsis:

00:00 - Soil and its qualities
6:32 - Soil is alive
11:01 - Giving back to our soils
14:59 - Measuring soil health
16:20 - Soil degradation in impoverished areas
19:35 - What drew you to soil science
24:20 - Regulating soil erosion
25:01 - Soil and its role in carbon sequestration
36:17 - Biogeochemical cycling
41:35 - Advice
44:40 - Extro