The question is, are we happy to suppose that our grandchildren may never be able to see an elephant except in a picture book?
People must feel that the natural world is important and valuable and beautiful and wonderful and an amazement and a pleasure.
I just wish the world was twice as big and half of it was still unexplored.
Many individuals are doing what they can. But real success can only come if there is a change in our societies and in our economics and in our politics.
Everyone likes birds. What wild creature is more accessible to our eyes and ears, as close to us and everyone in the world, as universal as a bird?
I don't run a car, have never run a car. I could say that this is because I have this extremely tender environmentalist conscience, but the fact is I hate driving.
An understanding of the natural world and what's in it is a source of not only a great curiosity but great fulfillment.
There is no question that climate change is happening; the only arguable point is what part humans are playing in it.
It is that range of biodiversity that we must care for - the whole thing - rather than just one or two stars.
The only way to save a rhinoceros is to save the environment in which it lives, because there's a mutual dependency between it and millions of other species of both animals and plants.
If I can bicycle, I bicycle.
All our environmental problems become easier to solve with fewer people and harder - and ultimately impossible to solve - with ever more people.
I've been to Nepal, but I'd like to go to Tibet. It must be a wonderful place to go. I don't think there's anything there, but it would be a nice place to visit.
I'm against this huge globalisation on the basis of economic advantage.
We are a plague on the Earth.
Dealing with global warming doesn't mean we have all got to suddenly stop breathing. Dealing with global warming means that we have to stop waste, and if you travel for no reason whatsoever, that is a waste.
Being in touch with the natural world is crucial.
There are some four million different kinds of animals and plants in the world. Four million different solutions to the problems of staying alive.
People are not going to care about animal conservation unless they think that animals are worthwhile.
It's a moral question about whether we have the right to exterminate species.
