It's important to understand the climate is not a light switch and La Nina will take time to change,

It indicates that the reliability of the river will decrease with climate change. And that model doesn't take into account population growth and the ensuing increase in demand. We can't do business as usual.

It is really a mission that affects global change. We will have a better quantitative understanding of climate change and a better basis for making policy decisions.

If climate change predictions are accurate you will expect…more intense and extreme rainfalls.

We're not going to negotiate some new treaty on climate change ... What this is about is seeing whether it will be possible in the future to bring people back into consensus together. Can we do that? I don't know, but it's important that we at least begin a process of dialogue that allows us to make progress on this.

As climate change is happening, we know that the frequency of these disasters will increase as well as the scope.