Climate change is drastic now a days due to changes in natural cycles and higher human interferences;
1.global warming
2.loss of biodiversity
3.over utilization of natural resources
4.improper management of natural habitats
5.depletion of natural habitats
6.unawareness about the nature
these things leads to loss of forest cover, fresh water scarcity, inadequate supply of natural non-renewable resources, higher pollutant load, so on, decrease the aesthetic environment and livelihood of human beings and animals.
Climate change is not about a single factor but it affects the system totally because it's a cycle.