Fashionable Authors rush on subjects likely to sell their paper. No wonder that, the fable of the so-called global warming due to human activity has become a very profitable business background for many areas that have interest in adding the shameless catastrophism. Historically, the climate has varied over a wide range. Examples: in the Middle Ages, the vines were cultivated in Scotland and Denmark (jutland), we ate strawberries in Strasbourg in January. By the seventeenth century against the Seine was used as a road in November and in March they sold wine in the tenant with an ax.