A lot is being said about, how the greenhouse gases are contributing to global warming. A major chunk of these gases come from industrial units, and automobiles running on oil. As per widely held theory, oil is formed by decomposition of carcass of animals of prehistoric times. With millions of cars in any given city of world, & so many vehicles, aircraft & other mode of transportation operating on oil all around the globe, it is wonder as to how many carcass of animals or dinosaurs would have dwelt on this globe, to run all these machines even for one hour ? Theory of 'oil from dinosaurs' implies that the oil tankers that move around us, are in fact the silos of dinosaurs' DNA!. So there has to be just more than carcass of dinosaur as source of oil on this planet. Greenhouse effect : Over simplification of larger problem. It is assumed that greenhouse gases do not let the heat of earth crust to escape,leading to increase in globa...