Acid Rain By HO Pui Sing Wong Yu

Acid Rain By HO Pui Sing Wong Yu Fai

Content Definition of Acid Rain Damage of Acid Rain Formation of Acid Rain Sources of Pollutants Solutions References

Definition of Acid Rain Normal p. H value of Rain is 5. 6 p. H value < 5. 6 Acid Rain Definition: All forms of precipitation, snow, rain, hail or dust particles, that contain a degree of acidity higher than those which normally occur in nature.

Damage of Acid Rain Soil Forests / vegetation Aquatic organisms Ancient Buildings Human health

Soils can be damaged by removing needed nutrients and dissolving toxic heavy metals from the soil. Not Suitable for farming

Forests / Vegetation Acid rain can damage the foliage of trees (leaves etc. ), and retard their growth. Metals such as aluminum can get into the roots of plants and prevent the uptake of other important nutrients.

Aquatic organisms Increasing the concentration of toxic heavy metals in surface waters. Acidification can hinder the ability of aquatic organisms to reproduce. Ecosystem will be collapse.

Healthy Acidize

Ancient Buildings Damage of Ancient Buildings

Buildings Construction materials such as limestone, marble and sandstone can also be damaged by acid rain, resulting in eroded buildings and monuments. Value loss

Tai Kwok Tsui Tai Po Old Market

Human Health Acid rain can aggravate respiratory ailments such as bronchitis and asthma. Drinking water which contains higher levels of toxic metals

Formation of Acid Rain Gas in air Acid Formation CO 2 + H 2 O = H 2 CO 3 Acid Name Carbonic SO 2 SO 3 + H 2 O = H 2 SO 4 Sulfuric NO 2 + H 2 O = HNO 2 + HNO 3 Nitric

Formation of Acid Rain

Sources of Pollutants SO 2, CO 2, NOx Fossil Combustion Air Pollution Human-related phenomenon.

Solutions Legislation and Punishment Technology improvement Low sulphur content fuel Improve the efficient of machines Filtering system Alternate energy Energy Conservation Change life style Education

Reference http: //ga. water. usgs. gov/edu/acidrain. html http: //www. iclei. org/efacts/acidrain. htm http: //www. geocities. com/Cape. Canaveral/Hal l/9111/DOC. HTML#INTROEFFECT http: //eces. org/gallery/airgfx/air 65. shtml http: //hikingthecarolinas. com/photo 1. htm http: //www. epa. gov/airmarkets/acidrain/inde x. html http: //www. corbis. com

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