Most helpful critical review
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Review of Heaven and Earth, by Professor Ian Plimer
on November 4, 2009
Professor Plimer's book challenges the hypothesis that global warming is caused by the actions of mankind, specifically increasing carbon dioxide in the atmosphere. He draws on several hundred references to support his view that global warming we see today is a natural event, and that the temperatures we see now have been exceeded in the relatively recent past (3 times in the past 5,000 years) and numerous times previously.
Professor Plimer argues convincingly that the theory of mankind causing global warming is flawed because it ignores warm periods in Minoan, Roman and Norman times and takes its base at 1750, when the earth was appreciably colder than now.
Where the book fails is Professor Plimer's writing style. The references are jumbled, he jumps from time period to time period and from place to place. Much of the book reads like a rant.
The book could usefully be half the length and better organized. It is a pity that the book is so poorly edited, because Professor Plimer makes important points that politicians need to understand before they impose carbon taxes.
To give a couple of simple examples, if you cannot predict the weather, how can you predict the climate? The main drivers of the global weather / climate are the sun and volcanic activity, yet these are not included in climate forecasts (other than vague cycles, in the case of solar activity) because we cannot predict these essential drivers.