Global warming is the increase in average global temperature of the greenhouse or a well known name in the Green house effect which is caused by the human . Increased amount of carbon dioxide from the burning of various fuels , transportation , and manufacturing in addition to the industrial gases group , we also have to nitrous oxide. Lutheran Child and chloroform , carbon (CFC) also go along with our cutting and breaking. This amounts to a forest . With the human mechanism to pull carbon dioxide out. Of the atmosphere is to reduce efficiency and eventually into what we have done. The world has come back to us in the form of global warming.