''Climate change is everywhere and is having an obvious impact on all of us, whether we live in a hilly region or in a river valley or nearby the sea. However, climate-change victims are mostly in Third World countries. The reasons may be clear or not so clear, depending on one’s perspective. One thing is clear – we all are responsible for the outcome of climate change. Carbon-containing greenhouse gases may be one of the culprits. Depleting forests and trees might be another. Depending more and more on irreplaceable fuels is definitely another. Sustainable energy sources are likely to be one of the solutions. It is bizarre to note that climate change started with the beginning of the formation of this world with the process of the glaciations 2.3 billion years ago, triggered by the evolution of oxygenic photosynthesis, which depleted the atmosphere of the greenhouse gas carbon dioxide and introduced free oxygen. Over millions of years, the process of change went on and on and on...''