[W]hen we look at the graphs of rising ocean temperatures, rising carbon dioxide in the atmosphere and so on, we know that they are climbing far more steeply than can be accounted for by the natural oscillation of the weather ... What people (must) do is to change their behavior and their attitudes ... If we do care about our grandchildren then we have to do something, and we have to demand that our governments do something.

I suffer much less than many of my colleagues. I am perfectly able to go to Australia and film within three hours of arrival.

The climate suits me, and London has the greatest serious music that you can hear any day of the week in the world - you think it's going to be Vienna or Paris or somewhere, but if you go to Vienna or Paris and say, 'Let's hear some good music', there isn't any.

There are some four million different kinds of animals and plants in the world. Four million different solutions to the problems of staying alive.

I am an ardent recycler. I would like to think that it works. I don't know whether it does or not.

The idea that the Lord had given us a present, that the world is a gift from God... well, the amount of stuff, back then, that the Lord was giving away was limited. We do not have dominion.

‎Using his burgeoning intelligence, this most successful of all mammals has exploited the environment to produce food for an ever increasing population. Instead of controlling the environment for the benefit of the population, perhaps it's time we controlled the population to allow the survival of the environment.