Why you might ask? - the author of the book is one of many that have a history of using 'misinformation' and other tactics in order to keep the debate on climate change going when it should have been settled long ago. Don't take my word for it, take a look at these links and make your own mind up:-
In fact, don't just accept these links. Go to the trouble of investigating yourself. Always remember to ask yourself what the source is and if people have some other agenda or if they stand to gain from adopting a certain position. Always ask yourself how credible the source is.
There are many self-proclaimed experts on the subject of climate change who at first glance appear to be very believable to the uninformed, which let's face it includes the majority of us, but 99 times out of a 100 closer scrutiny reveals that they are a sham and simplify feeding misinformation (i.e. propoganda) to suit their own purposes.
Many of these people have an association with the Heartland Institute and other such organisations that receive much of their funding from big business and fossil fuel companies. These organisations deliberately set out to `muddy the waters', much the same way as previous campaigns that would have us believe that tobacco is not harmful to health. Such campaigns often succeed in stalling action for several decades.
So why do we believe these people?
It's often easier to believe what we want to be true if the real truth is too difficult to comprehend!
Then there is what's called confirmation bias - we all tend to seek out and believe information that confirms what we already suspect or believe:-
Climate change could be the biggest challenge in modern human history and as such deserves our attention. For those who want to take the trouble to learn more, there are several sites where the various myths propagated by the 'deniers' and 'naysayers' are totally debunked. Here are a few sites:-