Presently, odd climatic changes occurring in the world are majorly due to

Increase in the level of greenhouse gases has led to considerable heating of Earth leading to global warming. During the past century, the temperature of Earth has increased by 0.6^oC, most of it during the last three decades. Scientists believe that this rise in temperature is leading to deleterious changes in the environment and resulting in odd climatic changes. Carbon dioxide and methane are commonly known as greenhouse gases because they are responsible for the greenhouse effect.