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Chapter 4: Problem 20

Assess the potential for solar energy applications in our society. What are some negatives? What are some positives?

Short Answer

Expert verified
Solar energy has many possible applications in society, and its key benefits include being a clean, renewable source of energy that reduces dependence on fossil fuels and causes no pollution. However, it also has drawbacks, including high start-up costs, reliance on weather, and potential for land use and habitat loss.

Step by step solution

01

Identify Solar Energy Applications

Solar energy can be used in several different ways in our society, such as solar heating, solar photovoltaics, solar thermal electricity, and solar architecture. Each of these has its own set of considerations.
02

Discuss the Positives

Solar energy is a clean and renewable source of energy. It reduces dependence on oil, coal and natural gas for electricity production. These fossil fuels produce harmful emissions that affect the quality of air, water and soil, and are responsible for global warming. In contrast, solar energy produces no pollution. The sun's abundant power offers an unlimited source of energy that does not strip the landscape or harm the ozone layer. Residential solar panels usually occupy little space that could have been used for other installations.
03

Discuss the Negatives

Start-up costs for solar energy systems can be high, which might be a barrier for many households. Solar energy also relies on the weather, which can be inconsistent, sometimes leading to fluctuations in power generation. This reliance can limit solar energy's efficiency in certain areas or during specific seasons. Additionally, some forms of solar power require large areas of land to collect sunlight, which can lead to land use and habitat loss.

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