Fallout from nuclear testing in the mid-20th Century is playing a vital role in helping to protect the world’s soils.

That’s according to the International Atomic Energy Agency (IAEA) which is supporting the analysis of fallout which allows scientists to measure how quickly soil is degrading.

Last month, the agency joined the International Union of Soil Science and the Food and Agriculture Organization, in agreeing a new blue print for safeguarding soil.

Steve Thachet has more.

Duration: 2’46”