the issue of global warming have captured the attention of people worldwide over the past 20years or so. What is the issue ? Scientist looking at what the humans are doing to the environment today believe that we are changing the climate of the planet on a global basis, we are warming the earth . Now if you think of the earth the way you might think of the human body, the human body lives at a relatively constant temprature, If our temprature goes up a little bit, we fall sick , if our temprature goes up more than 4 to 5 degrees we are the risk of dying, so the issue in some scense is, are we changing the health of our planet ? Are
