Climate change is one of the pivotal and dynamics which have always been part of the universe history. The change in the climate system has triggered the Earth formation as well as the Earth‘s history. The climatic aspects of environmental change affect lakes, water levels, disappearing glaciers, sea level rise, desertification and dwindling water resources. Recent human activities have resulted to an unprecedented increase of the greenhouse gases with serious consequences on the climate systems which have impacts on biodiversity, human health and availability of natural resources. In an ever more populous world one of the most important questions to answer is: “policy action on climate change must wait for more science or whether action is merely delayed by failure to appreciate science”.