Sureness is something like a neck brace which we clamp around our lives hoping to somehow protect ourselves from the frightening constant whiplash of change. Sadly the brace doesn't always hold.

Sometimes we look for those thunderous things to happen in our life for our lives to change or go in the other direction. We seek the miracle. We seek the parting of the seas the moving of the mountains. But no it's a quiet thing. At least for me it was.

From year to year environmental changes are incremental and often barely register in our lives but from evolutionary or geological perspectives what is happening is explosive change.

The damage that climate change is causing and that will get worse if we fail to act goes beyond the hundreds of thousands of lives homes and businesses lost ecosystems destroyed species driven to extinction infrastructure smashed and people inconvenienced.

I think it's harder for people than it should be. But as more and more of us become carbon neutral and change the patterns in our lives to be part of the solution instead of part of the problem we are now beginning to see the changes in policy that are needed.

The greatest revolution in our generation is that of human beings who by changing the inner attitudes of their minds can change the outer aspects of their lives.

One reason we resist making deliberate choices is that choice equals change and most of us feeling the world is unpredictable enough try to minimise the trauma of change in our personal lives.

To some extent Seattle remains a frontier metropolis a place where people can experiment with their lives and change and grow and make things happen.

When people align around shared political social economic or environmental values and take collective action thinking and behavior that compromises the lives of millions of people around the world can truly change.

Teachers can change lives with just the right mix of chalk and challenges.