This paper discusses the greenhouse gas emissions which cause the global warming in the atmosphere. In the 20th century global climate change becomes more sever which is due to greenhouse gas emissions. According to International Energy Agency data, the USA and China are approximately tied and...

This paper discusses the greenhouse gas emissions of the USA which cause the global warming in the atmosphere. In the last of the 20th century and the beginning of the 21st century, global climate change becomes more sever which is due to greenhouse gas emissions. The Kyoto Protocol is...