Global warming, rising sea levels, drought, flooding; the concentration of CO2 in the atmosphere is rising, causing the Earth’s temperature to follow suit. This in turn leads to climate change. The abbreviation CO2 stands for carbon dioxide, which is a greenhouse gas. However, carbon dioxide (CO2) is neither toxic nor harmful to air quality.

As the graph below shows, various sectors of trade and industry produce significant emissions of CO2. The road transport sector has become responsible for an increasing percentage of all emissions during the past thirty years.