Gaia, or How the Earth is like an Oven.
James Lovelock's look at life on earth isn't new any more; it's now over thirty years old. I found it rather frustrating, but that might be because it's outside of its original context and disciplines.
The idea of Gaia is certainly a powerful one. In short, life on earth functions as the key part of a cybernetic system which regulates the planet in order to maintain conditions suitable for life. So, for example, the sun's output has fluctuated a good deal si...more