F2019-L2-Identifying Problems-posted.pptx - ENVS 1000 – Fall 2019 – Lecture 2 – IDENTIFYING PROBLEMS ENVS 1000 Environmental Science Lecture 2

F2019-L2-Identifying Problems-posted.pptx - ENVS 1000 –...

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ENVS 1000 – Fall 2019 – Lecture 2 – IDENTIFYING PROBLEMS ENVS 1000 Environmental Science © 2019 by M. Olaveson Lecture 2: Identifying Problems What are Environmental Problems? 1
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ENVS 1000 – Fall 2019 – Lecture 2 – IDENTIFYING PROBLEMS What are Environmental Probl ems? © 2019 by M. Olaveson 2
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ENVS 1000 – Fall 2019 – Lecture 2 – IDENTIFYING PROBLEMS An undesirable change What constitutes undesirable change depends perception Perception varies with age, culture, education level, economic status, family, peers, religion, world view, etc. People differ in Perception of Environmental Problems What are Environmental Problems? © 2019 by M. Olaveson Example: pesticide DDT thought safe in 1945 known to be toxic today still used widely to combat malaria 3
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ENVS 1000 – Fall 2019 – Lecture 2 – IDENTIFYING PROBLEMS HUMAN IMPACT 1: Population Growth reduces Resource Availability Human population has increased to >7 billion Due to a series of major revolutions throughout human history: Agricultural Revolution(s) Industrial Revolution Medical Revolutions Technological Revolutions Increased human population growth changes relationship with each other and with the environment © 2019 by M. Olaveson What are Environmental Problems? 4 How many people can the Earth suppor t?
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ENVS 1000 – Fall 2019 – Lecture 2 – IDENTIFYING PROBLEMS HUMAN IMPACT 2: Excessive Consumption reduces Resource Availability © 2019 by M. Olaveson What are Environmental Problems?
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