You mustn't take what I say as gospel because no o...

Geological change usually takes thousands of years to happen but we are seeing the climate changing not just in our lifetimes but also year by year.

I don't think we're yet evolved to the point where we're clever enough to handle a complex a situation as climate change. The inertia of humans is so huge that you can't really do anything meaningful.

If we gave up eating beef we would have roughly 20 to 30 times more land for food than we have now.

We live in an age when to be young and to be indifferent can be no longer synonymous. We must prepare for the coming hour. The claims of the Future are represented by suffering millions and the Youth of a Nation are the trustees of Posterity.

This is the first age that's ever paid much attention to the future, which is a little ironic since we may not have one.

High expectations weren't nurtured in my neck of nowhere back then - children weren't fawned over from an early age as 'gifted' and groomed for a prizewinning future self-esteem was considered something you had to pick from the garden yourself.

A great source of calamity lies in regret and anticipation therefore a person is wise who thinks of the present alone, regardless of the past or future.