We need to invest dramatically in green energy, making solar panels so cheap that everybody wants them. Nobody wanted to buy a computer in 1950, but ….

I really try to say things as they basically are and it so happens that it is a good message that things are getting better, but there are still prob….

I'm a vegetarian, but I don't expect other people not to eat meat..

Listen, global warming is a real problem, but it's not the end of the world. A 30-centimetre sea level rise is just not going to bring the world to a….

There is no question that global warming will have a significant impact on already existing problems such as malaria, malnutrition, and water shortag….

I found university a little dispiriting. I thought I would enter the great halls of Plato, but instead I entered the halls of an intellectual sausage….

...children born today-in both the industrialized world and developing countries-will live longer and be healthier, they will get more food, a better….

When thinking about the future, it is fashionable to be pessimistic. Yet the evidence unequivocally belies such pessimism. Over the past centuries, h….

Think on a 50-year scale, which is a much more natural time-scale for global warming. The US is right now spending about 200 million dollars annually….

The total efforts of the last 20 years of climate policy has likely reduced global emissions by less than 1 percent, or about 250 million metric tons….

The Kyoto treaty has an estimated cost of between US$150 and $350 billion a year, starting in 2010..

Obviously any group that has to have funding also needs to get attention to their issues..

Wishful thinking is not sound public policy..

It seems incontrovertible to me that there is a global warming effect and that it is going to be serious, probably not in the amount of, say, six deg….

I think Al Gore has done a great service in making global warming cool. He's basically taken it from a nerdy, almost ignored issue to making it what ….

To prepare adequately for the challenge of global warming, we must acknowledge both the good and the bad that it will bring. If our starting point is….

I'm an old member of Greenpeace. I worried intensely, as I think most of my friends did, that the world was coming apart..

Of course, the world is full of problems. But on the other hand it's important to get the sense... are we generally moving in the right direction or ….

I think it's great that we have organisations like Greenpeace. In a pluralistic society, we want to have people who point out all the problems that t….

On average, global warming is not going to harm the developing world..

I tentatively believe in a god. I was brought up in a fairly religious home. I think the world is compatible with reincarnation, karma, all that stuf….