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.

When energy prices go up, the difficulty of projecting demand also goes up - uncertainty goes up.

The warnings about global warming have been extremely clear for a long time. We are facing a global climate crisis. It is deepening. We are entering a period of consequences.

In an economic recession, naturally, when you ask people to list their priorities, they're going to place a higher priority on the immediate economic situation.

You know the old saying: you win some, you lose some... and then there's that little-known third category.

Unless we act boldly and quickly to deal with the underlying causes of global warming, our world will undergo a string of terrible catastrophes.

We can believe in the future and work to achieve it and preserve it, or we can whirl blindly on, behaving as if one day there will be no children to inherit our legacy. The choice is ours; the earth is in balance.