V3.6.0 p20160420 

This book have too many different part, such as Warming the Earth, Screening the Sun, a blanket of gas, discovering greenhouse gases, history of the Earth's climate change, carbon dioxide on the rise etc.
Scientists discovered that North America, Europe, Asia and Australia had the highest rate of warming during the 20th century. Oil refineries and factories that burn fossil fuels for making electricity produce air pollutant. It is the big problem of the earth.