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Lecture 16

HSS 1101 Lecture Notes - Lecture 16: Sulfur Dioxide, Cool Air, Particulates

Health Sciences
Course Code
HSS 1101
Tien Nguyen

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Chapter 14: Choosing Healthy Living for the Environment
Monday, November 27th, 2017
Effective environmental management needed
Avoid 25% of preventable disease, worldwide
Prevent 13 million deaths annually
Unsafe water and air pollution
4 million deaths annually (children under 5)
Safer water storage and cleaner fuels
Reduces diseases and death
World wide population predicted 9.2 billion (2050)
Majority of growth in developing world
Estimates for population growth
Fertility rates and life expectancy
Population increases = competition for resources
North Americans consume the most energy
Most raw materials per person worldwide
Air Pollution
Sources of Air Pollution
Sulphur Dioxide
Carbon Monoxide
Nitrous Oxides**
Brown, hazy mix: particulates and gases
Temperature inversion: cool air trapped under warm air
Results: difficulty breathing, burning eyes, headaches, nausea
Long term problems: vulnerable population
- Children, Elderly, and Pregnant Women
Acid Rain
Precipitation contaminated with acid pollutants
Sources: burning fossil fuels
Effects of acid rain
Environmental damage
Respiratory problems
Leaching metals out of the soil
Damage to crops, monuments and structures
Indoor Air Pollution
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