t century, hundreds of millions - and eventually billions - of human beings will transform their buildings into power plants to harvest renewable energies on site, store those energies in the form of hydrogen and share electricity, peer-to-peer, across local, regional, national and continental inter-grids that act much like the Internet.

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.

Back in 1983, the United States government approved the release of the first genetically modified organism. In this case, it was a bacteria that prevents frost on food crops.

We are entering a new phase in human history - one in which fewer and fewer workers will be needed to produce the goods and services for the global population.

We now have an opportunity, though, to do something we didn't do in the industrial age, and that is to get a leg up on this, to bring the public in quickly, to have an informed debate.

The interesting thing is, while we die of diseases of affluence from eating all these fatty meats, our poor brethren in the developing world die of diseases of poverty, because the land is not used now to grow food grain for their families.

We are learning that the earth functions like an invisible organism. We are the various cells of one living being. Those who work to save the earth are its antibodies.