One thing that being a scientist has taught me is that you can never be certain about anything. You never know the truth. You can only approach it and hope to get a bit nearer to it each time. You iterate towards the truth. You don't know it.

Sadly, it's much easier to create a desert than a forest.

By the end of this century, climate change will reduce the human population to a few breeding pairs surviving near the Arctic.

One thing that being a scientist has taught me is that you can never be certain about anything. You never know the truth. You can only approach it and hope to get a bit nearer to it each time. You iterate towards the truth. You don't know it.

One pound of uranium is worth about 3 million pounds worth of coal or oil.

Let's make hay while it lasts.

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