When people ask me what they should do, I reply, "Get informed, get outraged, and then get political."

Do believe that if we fail to act in time, it will be the single biggest regret any of us has at the end of our lives.

If Americans in 2100 came to see 12 meters sea-level rise as inevitable by 2200, who can even begin to fathom how the nation would respond?

We created a way of raising standards of living that we can't possibly pass on to our children.

Conservative Denyers and Delayers are the main reason America lacks the consensus and the political will to take up the fight against catastrophic climate change.

We have been getting rich by depleting all our natural stocks - water, hydrocarbons, forests, rivers, fish and arable land - and not by generating renewable flows.

Much of the scientific community has been astonished that their increasingly strong and detailed warnings have been either ignored or attacked.