Like many, Arthur started off as a believer in the AGW Hoax but then realised the scam. As he explains in the book:
Like everyone else, I read about global warming: that increases in carbon dioxide (CO2) in our atmosphere are warming the Earth and will eventually involve us in an unstoppable "runaway greenhouse effect" that will destroy the planet and ourselves.
At first, I thought that the idea of global warming was true. I experimented with solutions to the CO2 problem. I spent more than a year thinking through the idea of massive planning some trees in the deserts of Australia watered by desalination plants on the shore. I proved, to my satisfaction at least, that such trees could convert enough CO2 in a year to represent 40% of the needed CO2 reduction, while making a big profit for the plantation and desalination plan investors.
But in getting to the bottom of the science of CO2, I realised that CO2 really is essential to all life on this earth. Photosynthesis is what keeps us alive. Sunlight plus water plus CO2 is the basic process that creates all plants - the basic food that animals and people have to eat – without which our life would be impossible.
So how can this same CO2 at the same time be destroying our way of life? I began to read extensively about climate science in books by famous scientists like Vincent Gray, Cliff Ollier, Madhav Khandekar, S Fred Singer, Craig Idso, Robert Carter and many others. That is when I saw that there was a floor in the "CO2 is bad for us" argument. The basic flaw is that CO2 is such a tiny fraction of our atmosphere– 0.04%– That it could not possibly be warming the Earth by any significant amount.
At the end of that chapter he writes what is basically the theme of the book:
CO2 is a gas that makes up a very tiny part of the atmosphere. To put the figures above
in a different way: There used to be (in 1957) about 27 molecules of CO2 for every
100,000 molecules of air and now there are roughly 40 molecules of CO2 for every
100,000 molecules of air. So humans had added about 13 molecules of CO2 for every
100,000 molecules of air since 1957. Not much of an increase.
Humans are adding extra CO2 to the atmosphere at the rate of about 2 parts per million
every year. Some people think that CO2 is rising dramatically.
This is probably because of graphs like this:
Figure 1: Growth of Global Carbon Dioxide Levels. Source: NASA Data
This graph above could be considered dishonest, because the y-axis starts at 290 instead
of zero. This misleads the reader into thinking that CO2 levels have undergone a huge increase.
When the data are plotted honestly, with the y-axis starting at zero, the true scope of the change becomes clear, as shown in Figure 2:
Figure 2 Growth in Global Carbon Dioxide Levels. Source: NASA Data
Here is the same data with the numbers starting at zero:
Not so scary, right?