The Evolution of Renewable Energy
Renewable energy has become a significant component of the global energy landscape, especially in light of the increasing environmental concerns and the urgency of combating climate change. Among the various forms of renewable energy, solar, wind, and hydropower have gained particular attention due to their potential to provide clean and sustainable energy solutions.
The solar energy sector has witnessed remarkable advancements over the past few decades. Photovoltaic cells, which convert sunlight directly into electricity, have seen improvements in efficiency, making them more accessible for residential and commercial use. With the decrease in manufacturing costs, more people are investing in solar panels, leading to a surge in solar farms. These large-scale projects not only contribute to reducing carbon emissions but also create jobs and
stimulate local economies.
Wind energy is another rapidly growing sector. Wind turbines, which convert the kinetic energy of wind into electricity, have been installed in both onshore and offshore locations. Offshore wind farms, in particular, are becoming more popular as they can harness stronger and more consistent winds. Countries such as Denmark and the United Kingdom are leading the way in offshore wind capacity, reaping the benefits of this renewable resource.
Hydropower, derived from the movement of water, has been utilized for centuries. Traditional hydroelectric plants generate electricity by using the flow of water to turn turbines. However, modern technologies have made it possible to harness energy from smaller streams and rivers, yielding more sustainable and less intrusive options. As societies become aware of the ecological impacts of large dam projects, small-scale hydropower solutions are increasingly favored.
Despite the undeniable benefits of renewable energy, challenges remain. The intermittent nature
of solar and wind energy requires efficient storage solutions to ensure a constant supply of electricity. Furthermore, the transition from fossil fuels to renewables is a complex process that involves economic, political, and social factors. Developing countries, in particular, face hurdles in financing and implementing renewable technologies.
In conclusion, renewable energy represents a pivotal shift in how the world approaches energy production. As technology advances and costs decrease, it is likely that renewable sources will become the dominant form of energy supply in the coming years. Understanding the evolution of renewable energy is crucial for all stakeholders as they navigate the transition towards a more sustainable future.
Câu 46:
What is the primary motivation behind the increased focus on renewable energy?
A. The desire for lower energy costs.
B. The need to address environmental concerns and climate change.
C. The abundance of fossil fuel resources.
D. The desire for economic growth.
Câu 47:
Which of the following describes a significant advancement in solar energy?
A. Increased use of fossil fuels
B. Higher manufacturing costs of solar panels.
C. Improved efficiency of photovoltaic cells.
D. Decreased accessibility for consumers.
Câu 48:
What distinguishes offshore wind farms from onshore ones?
A. They are more consistent in harnessing wind energy.
B. They are less expensive to develop
C. They generate energy at a slower rate.
D. They produce more noise pollution.
Câu 49:
How has hydropower technology evolved in recent years?
A. Focus has shifted from small-scale to large-scale projects.
B. New methods allow harnessing energy from smaller water sources.
C. Major investments have been made in expanding dam infrastructure.
D. The technology has remained unchanged for centuries.
Câu 50:
What challenges does renewable energy face, according to the passage?
A. The lack of public interest in renewable sources.
B. The need for efficient storage solutions and financing.
C. Excessive reliance on fossil fuels by developing nations.
D. The high costs associated with renewable technologies.
Câu 51:
Which statement best summarizes the current trend in the renewable energy sector?
A. Fossil fuels remain the primary energy source globally.
B. Renewable energy is slowly becoming the dominant power supply.
C. There is no progress in renewable energy technologies.
D. The renewable energy market is declining in investments.
Câu 52:
Which of the following is most similar in meaning to “intermittent”?
A. Continuous. B. Occasional. C. Predictable. D. Constant.
Câu 53:
Which of the following is most similar in meaning to “sustainable”?
A. Temporary. B. Harmful. C. Expensive. D. Maintainable.
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