The Efficacy of Renewable Energy

EXERCISE 1: VOCABULARY

1. Sustainability – The ability to maintain something over a long period without harming the environment.
   Example: Solar energy promotes sustainability because it does not use up natural resources.
2. Efficiency – The ability to produce results using less energy or effort.
   Example: Wind turbines have improved in efficiency, generating more power with less cost.
   
3. Carbon footprint – The amount of carbon dioxide a person, company, or activity produces.
   Example: Using electric vehicles can reduce our carbon footprint and help protect the planet.
4. Renewable – Something that can be replaced naturally and used again.
   Example: Hydropower is a renewable source of energy that comes from moving water.
5. Infrastructure – The physical structures needed for society, like roads, buildings, and power systems.
   Example: Governments are investing in green infrastructure to support clean energy projects.
6. Innovation – The process of creating new ideas, methods, or technologies.
   Example: Advances in solar panel technology show great innovation in energy efficiency.
7. Reliability – The quality of being dependable or consistent.
   Example: Some people worry about the reliability of solar power at night, but battery storage helps solve this issue.

EXERCISE 2: ARTICLE

The Efficacy of Renewable Energy

Renewable energy is one of the most effective ways to reduce pollution and fight climate change. Sources like solar, wind, hydro, and geothermal power provide clean electricity without harming the environment. Unlike fossil fuels, renewable energy does not produce large amounts of carbon dioxide, which contributes to global warming.

One major benefit of renewable energy is sustainability. Sunlight, wind, and water are natural resources that will not run out, unlike coal and oil. Many countries are now investing in renewable technologies to ensure long-term energy security.

However, there are also challenges. Solar and wind power depend on weather conditions, which can be unpredictable. Additionally, setting up renewable energy systems can be expensive at first. Despite these difficulties, improvements in technology are making renewable energy more reliable and affordable.

In conclusion, renewable energy is an effective and sustainable solution for a cleaner future. Although challenges exist, advancements continue to improve efficiency and accessibility. As more countries adopt renewable sources, the world moves closer to a healthier environment and energy independence.

EXERCISE 3: DISCUSSION

1. What are the most common renewable energy sources used in your country?
   
2. How can governments encourage the use of renewable energy?
3. Do you think renewable energy is the best solution for reducing pollution? Why or why not?
4. What are some ways individuals can support renewable energy in their daily lives?
5. Can renewable energy completely replace fossil fuels? Why or why not?
6. What are the economic benefits and challenges of switching to renewable energy?
7. How does innovation play a role in improving renewable energy technologies?
8.  What impact does renewable energy have on the job market?
9. Should businesses be required to use renewable energy? Why or why not?
10. How can communities work together to promote renewable energy?