INTRODUCTION TO ENVIRONMENTAL HEALTH The following are areas that we will review in class during this unit: Hazardous Waste Human & Env. Toxicology Risk Assessment Air Quality Industrial Hygiene Water Quality __________________________________________________________________________________________ Fill in the blanks from the powerpoint slides: Environmental Health is the study of: ____________________________________________. It examines ______________, _______________ and _______________ agents that move through the environment affecting human health and investigates ways to ____________ or ________________ them. Recognizing that human health is dependant on a ______________ _________________ ________________________. The professional in environmental health works to protect the overall quality of __________, ___________, _______________, & _______________. __________________________________________________________________________________________ ENVIRONMENTAL PUBLIC HEALTH ISSUES Fill in the blank or each environmental health issue: _________________________________________ o o o o 7 billion people live on earth – people are living longer & fewer infants are dying Land suitable for growing crops may be inhabited by people As the number of people increases – so does the demand for health services Population of developing countries grows at a faster rate of developed countries. _________________________________________ o Poverty = condition in which a person does not have sufficient resources to eat and live o Malnutrition = condition in which the body does not get the nutrients required for optimal health _________________________________________ o Greenhouse effect = process by which water vapor & gases in the atmosphere absorb & reflect infrared rays & warm Earth’s surfaces o Global warming = an increase in earth’s temperature _________________________________________ o Ozone = form of O2 o Ozone layer = protective layer of the upper atmosphere that traps ultraviolet (UV) radiation from the sun and prevents it from reaching earth’s surface o CFCs = chlorofluorocarbons – group of gases that are easy to compress & expand / used as a propellant in aerosol sprays & coolants (you do not have to add this to your acronym t-chart) _________________________________________ o Rain forest = hot, wet, forested area that contains many species of trees, plants, & animals – 7% of earth’s land o Source of food, rubber, timber, ingredients for prescription drugs o Forests are being cleared for agriculture – trees produce O2 & absorb CO2 and it can kill many species of plants & animals “Your Turn”: What would you like to learn about this unit? Write your thoughts below: