Global warming is an expression we often hear these days.
Published on March 7, 2008
It is a natural pro-cess that causes the earth to warm due to the build up of gasses such as carbon dioxide, methane and nitrous oxide.
The easy way to help reduce global warming is to replace cars with alternative transport such as walking, bicycle riding or taking public transport. Global warming is a critical issue. We cannot fix it unless we start now.
