India, Oct. 24 -- Next time you step on soil; look down and think. Soil is the next gold -- this is as down to earth as it can be. But it is not about the ground we step on; it is about the treasures below. If we understand this we can find solutions to our food; we can find answers to climate change.

Why do I say so? I am Sunita Narain, this is my show and thank you for watching me; thank you for all your support. Once again, my appeal to you is that please do like, please do share and please subscribe to our channel, Down To Earth.

Soil, earth, mud (mitti), is the most stepped on material. We take it for granted; we do not even think when we step on it; But it holds the key to so much we need to change in our world - from increased pr...