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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.

There is no question that global warming will have a significant impact on already existing problems such as malaria, malnutrition, and water shortages. But this doesn't mean the best way to solve them is to cut carbon emissions.

The challenge of global warming should stimulate a whole raft of manifestly benign innovations - for conserving energy and generating it by 'clean' means (biofuels, innovative renewables, carbon sequestration, and nuclear fusion).

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.

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've always been concerned about global warming. It seemed to me like working in nuclear power was a logical way to do something to help the environment.

To be clear, geoengineering won't solve global warming. It's not a 'techno-fix.' It would be enormously risky and almost certainly lead to troubling unforeseen consequences.

Preventing global warming from becoming a planetary catastrophe may take something even more drastic than renewable energy, superefficient urban design, and global carbon taxes.

Global warming is a fact. Now it's up to liberals to make it a reality. Hence there is crucial importance in preventing powerful, greedy free market forces from getting in the way of worsening storms and rising sea levels. The Kyoto Accord is a good first step.

Many countries - as well as cities, states and provinces - are taking global warming seriously and are working to reduce emissions and shift to cleaner energy sources.