Human Impact and Earths Resources

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What is geothermal energy?

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Geothermal energy is the heat that comes from the sub-surface of the earth, which can be found in the form of steam or hot water. It is used to generate electricity and for direct heating applications.

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What are steam wells?

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Steam wells are drilled into the earth to access geothermal energy. They allow steam or hot water to be brought to the surface to generate electricity.

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What is deforestation?

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Deforestation is the large-scale removal of trees from forested areas, often resulting in damage to the quality of the land.

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What is one major cause of deforestation?

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Urbanization is a major cause of deforestation as cities expand and land is cleared for development.

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What is water pollution?

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Water pollution is the contamination of water bodies, such as rivers, lakes, and oceans, caused by harmful substances or waste.

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What is the primary cause of most water pollution?

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Most water pollution is the result of human activities, including industrial discharge, agricultural runoff, and waste disposal.

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What are fossil fuels?

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Fossil fuels are natural substances formed from the remains of ancient plants and animals, including coal, oil, and natural gas.

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Why are fossil fuels considered nonrenewable resources?

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Fossil fuels are considered nonrenewable because they take millions of years to form and cannot be replenished within a human timescale.

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What is a renewable resource?

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A renewable resource is a natural resource that can be replenished naturally over time, such as solar energy, wind energy, and geothermal energy.

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Why is geothermal energy considered a renewable resource?

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Geothermal energy is considered renewable because the heat from the Earth is continuously produced and can be reused.