a. Toxic emissions due to the work of factories, transportation, construction sites pollute the environment substantially. b. Pollution problems including the global warming effect, natural resources extinction, health problems of people and animals, the destruction of natural ecosystems. c. Explain five main causes: industrial and technological development, transportation, agricultural activities, trading activities, and residences of people. d. Pollution kills 60% more people than malaria, HIV/AIDS and tuberculosis combined e. How water is polluted by pesticides and fertilizations used in agriculture? f. Does air pollution is one of the contributors to the global warming?

1. Essay Presentation
The Pollution Problem
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2. What causes pollution?
 Smoke released from factories
 Greenhouse gases emitted from cars and other vehicles
 Machinery used in construction sites
 Rubbish thrown around without a proper disposal system
 Plastic bags buried in the ground damage the soil

3. Industrial and Technological
Development
 Industrial revolution increased the number of factories operating in the
cities
 The chemicals were dissolved in water and soil contaminating them
 Invention of refrigerators made the ozone layer vulnerable to damage
 Other inventions and advancements did not take into account the
pollution problem

4. Transportation
 Vehicles burn fossil fuels
 Fossil fuels when burned emit greenhouse gases
 Carbon di oxide, methane, and nitrous oxide are released into the air
 The climate is affected and the Earth is becoming warmer and warmer

5. Agricultural activities
 The use of pesticides is killing the nutrients in the soil and making it
unusable for farming
 Machinery used in farms is damaging the environment
 Irrigation systems require fuel to run efficiently
 The natural ecosystem of the areas are damaged

6. Trading
 Trading has also played an important part in pollution
 The ways of transportation used to trade are adding to air pollution
 Trade also led to the increase of industries and factories in every part of
the world making it difficult to control pollution anywhere

7. Public and pollution
 People have greatly contributed to the pollution problem
 They dispose garbage in the worst way possible
 The toxic waste of houses is not dealt with properly
 The dirty water ends up in lakes and oceans

8. Global warming
 The biggest threat faced by the human race
 The Earths atmosphere is getting warming with each passing day
 The temperature change in the various parts of the world is very difficult to
deal with
 The change in monsoons and dry weather is affecting agriculture
 New diseases have emerged because of global warming

9. Natural resources extinction
 Over the years, people have used up most of the natural resources of the
Earth
 These resources will take up hundreds of years to form again
 The natural resources are also being damaged because of pollution
 Clean drinking water is now hard to find anywhere
 Animal life is also damaged because they cannot survive without natural
resources

10. Destruction of Natural Eco-Systems
 The balance of the natural ecosystems is damaged
 Some of the most important elements of the natural ecosystems are
extinct
 In nature, everything works in sync but because of solution, the system is
disturbed
 Some of the ecosystems like those of islands, have completely vanished

11. Health problems
 New diseases have emerged which doctors cannot understand yet
 Pollution kills 60% more people than malaria, HIV/AIDS and tuberculosis
combined
 Children are born with lung problems
 Asthma and cholera take up more lives of kids than any other issue
 Cancer and other deadly diseases have spread as well

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