Answer:
The main cause of climate change is global warming, which has many negative consequences on physical, biological and human systems, as well as other effects.
It is causing many harmful effects like:
More Occupational hazards
More Infectious diseases
Hotter days, more rain, and higher humidity
Drought and chronic water shortages harm rural areas
Mosquito-borne dengue fever has increased 30-fold in the past 50 years.
