Hard systems are everything we're using right now - computers, phones, planes, the clothes you're wearing, the room you're in. Everything there involves 100% use of technology and expertise to make it, and nothing we make - including space exploration vehicles and so on - is complex. Everything we make is complicated. Nothing is self-renewing.

People in all walks of life, and especially business, do not want to experience the collapse of cities like New York along with global finance and economy in chaos, but this is what business faces if we continue to attribute climate change to fossil fuels alone.

If you dig deep and keep peeling the onion, artists and freelance writers are the leaders in society - the people who start to get new ideas out.

The problem with holistic management is it's so profoundly simple, but it's not easy. And it's profoundly simple. You're almost insulting people's intelligence to explain it twice, just about making better decisions of where you want to go in your life, bringing in environmental, social, economic issues simultaneously.

We need to manage holistically, embracing all of our science and traditional knowledge - all sources of knowledge. We can do that from the household to government to international relations.