Humankind's greatest priority is to reintegrate with the natural world.

We are now running out of time, and the question now is not what is happening to the climate, but how bad will it be before the world starts doing enough?

Climate change is not an environmental issue, but much more to do with security and economics

If something is sustainable, it means we can go on doing it indefinitely. If it isn't, we can't

The future will be green, or not at all. This truth lies at the heart of humankind's most pressing challenge: to learn to live in harmony with the Earth on a genuinely sustainable basis.

We're never going to scare people into living more sustainably! We have to be able to demonstrate just how dynamic and aspirational such a world could be

Humankind's greatest priority is to reintegrate with the natural world.