The last time Earth was 1°C warmer than today, sea levels were 20 feet higher.

Would PBS go so far as to give air time to an even more extreme kind of disinformer, a Holocaust denier?

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.

The best thing about improvements in health care is that all the climate-change deniers are now going to live long enough to see how wrong they were.

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.

Bush and Inhofe will go down in history with other leaders such as Herbert Hoover and Neville Chamberlain who were blind to their nation's gravest threats.

In 2003... the White House conspired with an oil-company funded think tank to block a major government scientific report that sought to spell out the dangers of climate change to Americans.

Time is short. We have at most a decade to sharply reverse course.

The science is crystal clear: we humans are the primary cause of global warming, and we face a bleak future if we fail to act quickly.

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.

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

In his early days at University, he'd been too green to realize winning debates, even private ones, would lose him friends.

Now you see what kind of creatures we are, Hugh. Eating things alive. That's what we do. How can you have much respect for mankind, or any belief in the social struggle?

You need to impress me, outwit me, compete with me? Go ahead, knock yourself out, I have no problem with that at all.

The hardest working person in showbusiness has never been or ever will be a 'famous person'.

In fighting scandal, the key is not to overreact.

He that trusts in a lie, shall perish in truth.

What bliss will fill the ransomed souls, when they in glory dwell, to see the sinner as he rolls, in quenchless flames of hell.

Champions never complain, they are too busy getting better

People can be unreliable and disloyal; possessions can lose their value; jobs that once stimulated you can become boring. But principles remain steady through it all.

What is grace? I know until you ask me; when you ask me, I do not know.