deepak moorti is an agriculture specialist with the consultancy firm mckinsey and company and he earliere change is acting as a catalyst for change in global food markets. i think if we talk about climate change in general, there are two things that we see will happen. number one is the fact that it's the main catalyst for supply shocks and a prolonged period of price volatility in the food supply chain. and the second one is the fact that it will be the main driver for men and food to compete for land and water. now, the second one is particularly worrying given that we have a growing population to feed. but the good news is there are potential ways to plug this leakages, and the benefits of this can be quite significant. the way to think about it is to split it across two main lenses one from the pre—harvest lens and the second one from a post—harvest lens. your report makes suggestions about changing farming practices. give us an example. so when we think about farming practices and think the report referred more towards post—harvest practices, we were referring to things that impact