The apologists for space science always seem over-impressed by engineering trivia and make far too much of non-stick frying pans and perfect ball-bearings. To my mind, the outstanding spin-off from space research is not new technology. The real bonus has been that for the first time in human history we have had a chance to look at the Earth from space, and the information gained from seeing from the outside our azure-green planet in all its global beauty has given rise to a whole new set of questions and answers.

We live at a time when emotions and feelings count more than truth, and there is a vast ignorance of science

Evolution is a tightly coupled dance, with life and the material environment as partners. From the dance emerges the entity Gaia.

I've got personal views on the '60s. You can't have freedom without paying the price for it.

So-called 'sustainable development' is meaningless drivel.

Humans on the Earth behave in some ways like a pathogenic micro-organism, or like the cells of a tumor.

The Earth's population will be culled from today's 6.6 billion to as few as 500 million, with most of the survivors living in the far latitudes - Canada, Iceland, Scandinavia, the Arctic Basin.