I think we will work our way towards a position that says that having more than two children is irresponsible.

I am unapologetic about asking people to connect up their own responsibility for their total environmental footprint and how they decide to procreate and how many children they think are appropriate.

The collapse of the world's banking system and the impending disaster of accelerating climate change are not separate phenomena. They are simply the most visible symptoms of a particular model of capitalism that will bring civilisation to its knees. But those symptoms will not get sorted unless and until we commit to a radical transformation of the way we create and distribute wealth in the world today

We need to move away from crass, consumption-driven materialism by de-materialising status

Peace, non-violence, human rights and the environment - if only everybody saw these as the seamless whole that they are

What may be possible for a minority of humankind, albeit at great cost, simply cannot work for the humankind. Our kind of progress depends on lacerating the Earth,on gouging out its riches, on stripping is life-sustaining skin of soil and forest

A combination of very rapid population growth over the last 50 years and reckless economic growth during the same time has stored up massive problems for societies the world over. No nation is immune. The scientific evidence tells us all we need to know: carry on with business-as-usual growth-at-all-costs, and we're stuffed