Let us consider simple example, supponse in our envirnoment we do lot of deforestation for home, industry, schools, hospitals, etc..This will spoil whole natural life cycle. Lot of species will be destoryed in doing so. Suppose the loss has resulted in decreasing and increasing death ratio. Beacause of which the carnivours animal will start dying due to lack of food or we can say dependency. Then the human will have to suffer with this. NO food and the environment changes like abnormal rain or temperature raise. Whole cycle will be diturbed.
Global warming for