I take the danger of global warming seriously for the following reasons. (1) I think there is enough data on increasing temperatures, etc., available to indicate that something resembling a warming trend is happening to the earth’s climate. (2) No scientist of whom I am aware questions the model, i.e., the scientific explanation, that carbon dioxide in an atmosphere helps to trap heat. (3) Industrialization, combined with population growth, has increased the amount of carbon dioxide humans release into the atmosphere. (4) Caution should be used with regard to the livability of our planet—it’s the only one we have. In 40 years we do not want to say “Oops.” It may then be too late. Having only a single resource (one planet), a reasonable approach is to be careful with it. I think the burden of proof is on those who would risk the livability of the earth.


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