Carbon dioxide (chemical formula CO2) is a colorless gas with a density about 53% higher ,Carbon dioxide is at the heart of the world’s changing climate and this is this implies that the countries which contributes greatly to climate change are the ones whose economies are manufacturing based such as the republic of China and basically the developed and higher middle income economies and to reduce carbon emissions all the the countries need to agree for a common purpose. Do you think the world can be totally free from carbon emissions ?