Year 11 Exam > Year 11 Notes > Geography for GCSE/IGCSE > Renewable Energy
Renewable Energy | Geography for GCSE/IGCSE - Year 11 PDF Download
Importance of Renewable Energy Sources
- Renewable energy sources are those that are inexhaustible and will never be depleted. They encompass:
- Hydroelectric
- Wave/tidal
- Wind
- Solar
- Geothermal
- Biomass/waste
- Once established, except for biomass/waste, these sources do not release any greenhouse gases into the atmosphere.
- While no emissions occur during their operation, greenhouse gases might be produced during their manufacturing, installation, and transportation processes.
Question for Renewable EnergyTry yourself: Which of the following is an example of a renewable energy source?View Solution
Increase in renewable energy
- Renewable energy plays an increasingly vital role in the global energy mix for several reasons:
- Non-renewable fossil fuels are finite resources that will eventually be depleted, necessitating the need for alternative energy sources.
- The utilization of non-renewable fuels poses significant environmental risks. When fossil fuels are burned, they emit greenhouse gases, contributing to climate change. Additionally, the release of sulfur dioxide can lead to acid rain.
- The extraction processes involved in mining and drilling for fossil fuels can have devastating impacts on natural habitats and the environment as a whole.
- Growing awareness of the detrimental effects of fossil fuel consumption has led to international pressure to decrease their usage.
- Many countries are seeking to reduce their dependence on imported energy resources to enhance their energy security.
Advantages and disadvantages
All renewable energy sources possess both advantages and disadvantages.
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FAQs on Renewable Energy - Geography for GCSE/IGCSE - Year 11
| 1. How does an increase in renewable energy sources contribute to environmental sustainability? |  |
Ans. An increase in renewable energy sources helps reduce greenhouse gas emissions, promotes cleaner air and water, and decreases dependence on finite fossil fuels, ultimately contributing to environmental sustainability.
| 2. What are the advantages of using renewable energy sources over traditional non-renewable sources? | |
Ans. Renewable energy sources are abundant, reduce carbon emissions, create jobs, and have lower operating costs compared to traditional non-renewable sources, making them a more sustainable option for the future.
| 3. Are there any disadvantages associated with relying on renewable energy sources? | |
Ans. Some challenges of using renewable energy sources include intermittency, high initial costs of infrastructure, land use requirements, and potential impacts on wildlife and ecosystems, which need to be carefully managed and mitigated.
| 4. How has the adoption of renewable energy sources evolved over the years? | |
Ans. The adoption of renewable energy sources has increased significantly in recent years due to advancements in technology, policy support, public awareness of climate change, and the decreasing costs of renewable energy technologies, making them more accessible and competitive.
| 5. What role can individuals and communities play in promoting the use of renewable energy sources? | |
Ans. Individuals and communities can promote the use of renewable energy sources by investing in solar panels or wind turbines, advocating for renewable energy policies, participating in community solar programs, and adopting energy-efficient practices to reduce overall energy consumption.
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Nov 24, 2024 Last updated |
Document Description: Renewable Energy for Year 11 2024 is part of Geography for GCSE/IGCSE preparation.
The notes and questions for Renewable Energy have been prepared according to the Year 11 exam syllabus. Information about Renewable Energy covers topics
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