This book explains, without complicated maths, how changes in atmospheric carbon dioxide concentrations have affected planet Earth over the last 500 million years. The following topics are presented with usefull illustrations and charts:

• What is Carbon Dioxide and what does it do.

• How does it affect the temperature of Earth.

• What is the ‘Net Zero’ agreement and what are its goals.

• How does the recent change in climate compare with the 500 million year history of life on our planet.

• What are other known causes for the changes that have occured in the Earth’s temperature in recent times.

• What results can we expect from the ‘Net Zero’ project and what is its cost.

Philip Blakeley has distilled scientific evidence so that it can be understood without needing a scientific background.

William Happer was advisor to Presidents G W Bush and Trump on matters regarding Climate Change.