Understanding Renewable Energy Sources
Listen to the following passage:
Speaker: Welcome to our discussion about renewable energy sources. Today, we will cover several key forms of renewable energy, including solar, wind, hydroelectric, and geothermal energy. Each of these energy sources is essential not only for reducing our reliance on fossil fuels but also for combating climate change. First, solar energy harnesses sunlight through photovoltaic cells, which convert light into electricity. It is one of the fastest-growing energy sectors in the world due to its scalability and decreasing costs. Next, wind energy utilizes turbines to convert wind into power. The technology has advanced significantly, making it more efficient and environmentally friendly.
Hydroelectric power, generated by the flow of water in rivers and dams, has been a long-standing contributor to our energy supply, representing a significant percentage of renewable energy production globally. Finally, geothermal energy taps into the Earth's internal heat for electricity and heating, providing a consistent energy source independent of weather conditions. In conclusion, embracing these renewable energy sources is pivotal for sustainable development and energy security. Thank you for listening!
Note: This question has been adapted from its original format to accommodate a reading-based version. In the official TOEFL exam, speaking and listening sections require verbal responses and audio prompts, which are not represented here. Please note that this adaptation may not fully reflect the nature or difficulty of the official exam. The audio feature for these sections will be available soon.
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