There is no doubt that the world's climate is changing. We see it in the increased temperatures across the globe as well as the growing number of severe weather events such as tornados, cyclones, hurricanes, etc. Ergo, the earth is warming up, and it is costing us dearly. We are losing a large number species and their habitats, and the chances that sensitive ecosystems will adapt naturally are slight. Furthermore, there is now an overwhelming consensus that global warming is taking place and man is the main cause of the gasses that are producing the greenhouse effect.