Climate change is generally defined as a significant variation of average weather conditions-say, conditions becoming warmer, wetter, or drier—over several decades or more. Human activities have been one of the biggest contributors to the change in climatic conditions across the globe. As a result of this climatic change, the average temperature in the world has comparatively increased.
Climate change includes both global warming driven by human-induced emissions of greenhouse gases and the resulting large-scale shifts in weather patterns.
Further Reading:
Comments