Answer:

•Poor sanitation is linked to transmission of diseases such as cholera, diarrhoea, dysentery, hepatitis A, typhoid and polio and exacerbates stunting. Poor sanitation reduces human well-being, social and economic development due to impacts such as anxiety, risk of sexual assault, and lost educational opportunities.

•Yes, because Environmental hazard data play a vital role in tracking efforts. Understanding the distribution and concentrations of pollutants in the environment increases public health professionals' ability to understand the role these hazards play in peoples' health and to develop ways to help people stay healthier.