Our future is like that of the passengers on a small pleasure boat sailing quietly above the Niagara Falls, not knowing that the engines are about to fail.

The world has not warmed up very much since the millennium.

Perhaps the single most important thing that we can do to undo the harm we have done is to fix firmly in our minds the thought: the earth is alive.

An inefficient virus kills its host. A clever virus stays with it.

I wouldn't be against them (large wind turbines) if they actually worked.

There is little evidence that our individual intelligence has improved through recorded history.

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.