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The effects of deforestation, water pollution, and global warming on the environment. It explains how deforestation leads to soil erosion, floods, and a decrease in wildlife resources. It also describes the causes of water pollution, such as toxic wastes, untreated sewage, and fertilizer run-offs from farm lands. Additionally, it discusses the greenhouse effect, global warming, and acid precipitation. examples of human activities that contribute to these environmental issues, such as deforestation, mining, and overharvesting.
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2021/2022
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Download Deforestation as an environmental issue and more Slides Environmental science in PDF only on Docsity!
Natural resources are
materials in the
environment that
people use to carry on
with their lives.
Causes of deforestation Kaingin farming Illegal logging Conversion of agricultural lands to housing projects Forest fires Typhoons
EFFECTS OF DEFORESTATION 1.Soil Erosion 2.Floods 3.Decrease in wildlife resources that will eventually lead to extinction
Wildlife Depletion
A ‘fish kill’ usually happens when there is an increase in concentration of organic nutrients in bodies of water. aquatic animals die due to lack of oxygen.
PCB (polychlorinated biphenyl) toxic wastes produced in the making of paints, inks and electrical insulators. Biological magnification is the buildup of pollutants in organisms at higher trophic levels in a food chain.
Air Pollution
Pollutants can enter the air as gases, liquids, or solids. Cars burn fuel and produce harmful gases–carbon dioxide, nitrogen oxides, and hydrocarbons.