none of the above has no impact on human health
Global environment
Environmental pollutants can cause health problems like respiratory diseases, heart diseases and some types of cancer, asthma and many other illness. These hazards can be physical, toxic chemicals and food contaminants, or they can be social.
Outdoor environment
These include chemical pollution, air pollution, climate change, diseases causing microbes, lack of access to health care, poor infrastructure, and poor water quality.
Indoor environment
The quality of our indoor environments affects well-being and productivity, and risk for diverse diseases re increased by indoor air pollutants, surface contamination by toxins, and contact among people at home, at work, in transportation.
Learn more about Human health here:
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