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The only thing that will really change global warming in the long run is if we radically increase the speed with which we get alternative technologies to deal with climate change.

Scientists have been warning about global warming for decades. It's too late to stop it now, but we can lessen its severity and impacts.

I don't mind going back to daylight saving time. With inflation, the hour will be the only thing I've saved all year.

Dealing with global warming doesn't mean we have all got to suddenly stop breathing. Dealing with global warming means that we have to stop waste, and if you travel for no reason whatsoever, that is a waste.

The pace of global warming is accelerating and the scale of the impact is devastating. The time for action is limited - we are approaching a tipping point beyond which the opportunity to reverse the damage of CO2 emissions will disappear.

Whether or not I tour forever, I'm not sure. I would love to spend more time living in harmony with nature rather than flying all over the world and contributing to global warming, you know what I mean?

There is no global warming problem, there isn't going to be a global warming problem. Sit back and enjoy the sunshine.

I'm not in favor of just taking short-term isolated situations and depleting our resources to keep our climate just the way it is today.

If you ask what you are going to do about global warming, the only rational answer is to change the way in which we do transportation, energy production, agriculture and a good deal of manufacturing. The problem originates in human activity in the form of the production of goods.