David Attenborough

Nature isn't positive in that way. It doesn't aim itself at you. It's not being unkind to you. ”

We really need to kick the carbon habit and stop making our energy from burning things. Climate change is also really important. You can wreck one rainforest then move, drain one area of resources and move onto another, but climate change is global. ”

It's coming home to roost over the next 50 years or so. It's not just climate change; it's sheer space, places to grow food for this enormous horde. Either we limit our population growth or the natural world will do it for us, and the natural world is doing it for us right now. ”

There is no question that climate change is happening; the only arguable point is what part humans are playing in it. ”

As far as I'm concerned, if there is a supreme being then He chose organic evolution as a way of bringing into existence the natural world... which doesn't seem to me to be necessarily blasphemous at all. ”

The whole of science, and one is tempted to think the whole of the life of any thinking man, is trying to come to terms with the relationship between yourself and the natural world. Why are you here, and how do you fit in, and what's it all about. ”

Being in touch with the natural world is crucial. ”

People are not going to care about animal conservation unless they think that animals are worthwhile. ”

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. ”

It seems to me that the natural world is the greatest source of excitement; the greatest source of visual beauty; the greatest source of intellectual interest. It is the greatest source of so much in life that makes life worth living. ”