Effect of green house

Green house effect is a threats for human beings, amimals, plants one above all. It is associated with the global warming.  The temperature of world highly encrase day by day. Carbon di oxide is the main culprit of this. As a reasult world tumpature will incrase day by day. For this polar ice caps will melting away. One day we lost ice from earth. Water level will high. Many country will go under water. On present day world temperature will increse 4 degree celsisus. See level high. Polar ice caps starts to melt.  If our world go under water then we will faild to save our existence