The reductionist measure of yield is to agriculture systems, what GDP is to economic systems. It is time to move from measuring yield of commodities, to health and well-being of ecosystems and communities. Industrial agriculture has its roots in war. Ecological agriculture allows us to make peace with the earth, soil and the society.

It's worse than slave trade because what is being traded is the very knowledge that makes survival possible for 80 percent of the people of this world. These 80 percent live on the biodiversity and the knowledge they have evolved as part of a rich collective heritage involving the use of seeds for growing crops and medicinal plants for healing.

If you are doing the right thing for the earth, she's giving you great company.

When I find too many puzzles about the way explanations are given about why there is inequality - why people who work the hardest in the world end up being the poorest - I can't just sit back and not try to understand why the gaps between people are increasing, or why there are so many homeless and hungry people in the world.

I think we have reached a stage now where we need to find solutions to economic injustice in the same place and in the same ways that we find solutions to sustainability. Sustainability on environmental grounds and justice in terms of everyone having a place in the production and consumption system - these are two aspects of the same issue. They have been artificially separated and have to be put back again in the Western way of thinking.

If India is an emerging economy with millions of new consumers, sell them the Volvo. Sell them the Cielo car. Sell them whatever you can, hamburgers and KFCs. It’s the middle classes who have moved into being able to own a car, a refrigerator. For them there is this mantra that the General Electric refrigerator is better than some other model, that the Cielo car is fancier than the Ambassador.

It is often too late by the time the government reacts.