Humankind is conducting an ongoing experiment to see what will happen to our health and to the well being of the planet when changes in the earth's climate are made. This experiment is called global warming. Global warming is allegedly changing the world, as we know it. The concern of global warming is the increasing temperature of the earth's climate, which is expected to warm even further because of human activities that include the burning …showed first 75 words of 927 total…

…showed last 75 words of 927 total…