Abstract

Climate change describes a change in the average conditions such as temperatures and rainfalls in a region over a long period of times. Example of, 20,000 years ago, much of the United States was covered in glaciers. In the states of United States today, we have a warmer climates and fewer glaciers. Global climates change refers to the average long-terms changes over the entire Earth. This is including warmings temperatures and changes in precipitation, as well as the effects of Earth’s warming, such as: Earth’s climates has constantly been changing — even long before humans comes into the picture. However, scientists have observed unusual changes recently. Risings sea levels, Shrinking Mountains, glaciers Ice melting’s, at a faster rate than usual in Greenland, Antarctica and the Arctic.