Glacial pace is actually an incorrect concept. The glaciers move a lot faster and they react a lot faster than people imagine.

You can't divorce civilization from nature - we totally depend on it.

Early in my career I discovered that there was something really special about photographing at night that places your mind on the surface of the planet. You’re no longer just a human being walking around in the regular world. You’re a human animal striding around on the surface of the planet that’s out in the middle of the galaxy. We as a culture, we’re forgetting that we are actually natural organisms and that we have this very deep connection and contact with nature. You can’t divorce civilization from nature. We totally depend on it.

There is a glacier in Iceland, Solheimar, which has retreated a great deal, and every time I go back there and see what's not there any more, it does something to the heart. It makes you realise it's possible for a gigantic natural element to just disappear.

The cumulative effect of each person making a change in his or her own life will make a difference.

When I worked with wildlife a lot in the Eighties and Nineties, I learnt the meaning of patience. And when I worked with trees, I learned the meaning of humility.

Glacial pace is actually an incorrect concept. The glaciers move a lot faster and they react a lot faster than people imagine.