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The first traces were from London and Paris in the 19th century.
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People in the 1920's were picking up tips on how to make then environment better.
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People started using machines such as thermometers and other tools.
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People start to pick up on the air pollution.
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People begin to try and solve the problems they notice.
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Littering becomes illegal
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People are working together as a "team" to make it better.
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More machines come out such as the solar panel.
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It becomes an actual job.
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The machines become more advanced.
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People have to go to college in order to become an environmental engineer.
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Waste management becomes a problem.
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People managed to work out the waste management after multiple floods.
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air pollution dispersion machines were created and are being used.
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The EPA is now working alongside employees.
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Sewage treatment plants are invented and are used in Australia.
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Rivers are beginning to overflow because of pollution.
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More dams are being built to prevent ultimate flooding.
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Environmental Engineering jobs become one of the highest paying jobs.
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Mechanical engineering courses become optional.
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Environmental Engineers become more encouraging to not litter and help the Earth.
