Environmental change is one of the complex problems facing mankind today. The overriding complexity of the problem is attributed to its deeper global ramifications on a vast range of issues impacting the very survival of life on Earth. Understanding such a complex issue with vast and varied dimensions and implications, assumes greater significance for all stakeholders, especially for our policy makers. There are varieties of perceptions regarding the exact size and consequences of environmental change. Yet, it is no secret that risks emanating from environmental change are indeed profound, which call for urgent mitigation. There is now strong evidence that environmental change is a reality. Today, it has been scientifically established that significant global warming is occurring.