If you were an artist or novelist, or a poet or somebody like that, nobody would think it odd if you worked in your own home. In science there's none… - James Lovelock

If there were a billion people living on the planet, we could do whatever we please. But there are nearly seven billion. At this scale, life as we know it today is not sustainable.

I don't think we're yet evolved to the point where we're clever enough to handle a complex a situation as climate change. … The inertia of humans is so huge that you can't really do anything meaningful.

We have since defined Gaia as a complex entity involving the Earth's biosphere, atmosphere, oceans, and soil; the totality constituting a feedback or cybernetic system which seeks an optimal physical and chemical environment for life on this planet.