Solar and wind are now cheaper in many places than some fossil fuels and within the next two years, three, four, five years at the most. What the exponential curve does isn't going to go away. It is totally over for fossil fuels and nuclear. Nuclear's actually gone out.

What type of new economical system can organize this system? There is another sector in our life, that we rely on every single day, that are absolutely essential: the social commons, the social economy. It is all the activity we engage in to create social capital. It doesn't create capital market. Social commons is growing faster than the market place. It is growing faster than the market place. The social commons include any activity that is deeply social and collaborative.

Starvation does not occur because of a world food shortage. If everyone ate a vegetarian, or better still, a vegan diet there would be enough food for everyone. The only sane way forward is to grow food for humans rather than to feed it to farmed animals.

What's really clear to all of us in the business community is that GDP is slowing everywhere. And the reason is productivity has been declining now for 15 or 20 years all over the world. So we've got very high unemployment, and it's structural. And it's compounded by real-time climate change - that's really a game changer.

It seems disingenuous for the intellectual elite of the first world to dwell on the subject of too many babies being born in the second- and third-world nations while virtually ignoring the over-population of cattle and the realities of a food chain that robs the poor of sustenance to feed the rich a steady diet of grain-fed meat.

If your corn has a herbicide-tolerant gene, it means you can pray your herbicides and kill the weeds; you won't kill your corn.

Generations of human beings were transformed into machines in the relentless pursuit of material wealth: We lived to work.