Author: Prof Chijioke Nwaozuzu

For more than a century, fossil fuels have accounted for a larger proportion of global energy supply sources. However, with increasing global environmental challenges, arising from increasing concentration of greenhouse gases (GHGs) associated with fossil fuel combustion, there has been a renewed emphasis on low carbon intensive and environmentally- friendly energy sources, e.g. natural gas, renewable sources, nuclear, and now hydrogen. This determination was made in December 1997 in Kyoto, Japan (KYOTO PROTOCOL), where representatives of most nations of the world agreed that the world’s industrialized nations should reduce emissions of the major GHGs (carbon dioxide, nitrogen oxide, and methane)…