Ch5 Sec3
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People’s Effect on the Environment Chapter 5 Section 3
First Level • First-level activities- direct Activities interaction with raw materials, provide food, and resources that people need to live • Creating farmland – Cut down forests – Drained swampland – Destroying habitats for countless species of animals
• Environmental Challenges – Deforestation- loss of forest cover in a region – Deforestation can lead to the loss of Biodiversity- richness of different kinds of living things • Fertilizers and chemicals increase yield, but has negative effects on water supplies • How do we feed the world but be environmentally friendly?
• Finding a balance – Planting tree farms – Natural farming-less yield, but safer on water supplies and fish – Limit fishermen’s catches and only catch fish that there are plentiful – Will this work? What are the problems?
Second and Third Level Activities • Second-level- industries (factories) • Third-level- services • Created our landscape of housing developments, offices, railroads, and highways
• Providing Jobs, Reshaping the Environment – Industrial and service industries provides the majority of jobs in developed nations – Civil Engineering- technology for building structures that alter the landscape, such as dams, canals, roads, and bridges – Environmental downfall- loss of green areas, water run-off from pavement
• Environmental Challenges – Pollution- waste that makes air, soil or water less clean – Industry output, trash from people, and automobile exhaust all contribute to pollution – Some scientists believe that this pollution is the cause of global temperature change and climate change
First Level • First-level activities- direct Activities interaction with raw materials, provide food, and resources that people need to live • Creating farmland – Cut down forests – Drained swampland – Destroying habitats for countless species of animals
• Environmental Challenges – Deforestation- loss of forest cover in a region – Deforestation can lead to the loss of Biodiversity- richness of different kinds of living things • Fertilizers and chemicals increase yield, but has negative effects on water supplies • How do we feed the world but be environmentally friendly?
• Finding a balance – Planting tree farms – Natural farming-less yield, but safer on water supplies and fish – Limit fishermen’s catches and only catch fish that there are plentiful – Will this work? What are the problems?
Second and Third Level Activities • Second-level- industries (factories) • Third-level- services • Created our landscape of housing developments, offices, railroads, and highways
• Providing Jobs, Reshaping the Environment – Industrial and service industries provides the majority of jobs in developed nations – Civil Engineering- technology for building structures that alter the landscape, such as dams, canals, roads, and bridges – Environmental downfall- loss of green areas, water run-off from pavement
• Environmental Challenges – Pollution- waste that makes air, soil or water less clean – Industry output, trash from people, and automobile exhaust all contribute to pollution – Some scientists believe that this pollution is the cause of global temperature change and climate change
