Why earth have a global warming?
There is no such thing as "a global warming" global warming only happens to earth because human and our unruly decrease in the earths resources. HUMANS cause global warming.
everywhere on earth. Another Answer First, global warming does not occur everywhere on Earth. Some areas are cooling. Second, even among those areas where it is warming, some are warming more than others. According to global warming models, global warming should be occurring in the troposphere more than at the surface of the Earth. However, in real life, the oppposite is true.