What is global warming mean?

Most of people around the world they don’t know the meaning of global warming.It is carbon dioxide and other gases warm the surface of the planet naturally by trapping solar heat in atmosphere. This is a good thing because it keeps our planet habitable. However, by burning fossil such as coal, gas and oil and clearing forests we have dramatically increased the amount of crab dioxide in the earth’s atmosphere and temperatures are rising. The vast majority of scientist are all agree that global warming is real, it’s already happing and that it result of our activities and not a natural. We’re already seeing changes. Glaciers are melting, planets and animals are being forced from the habitat, and number of sever storms and droughts is increasing.