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Home/renewable energy

Mains Answer Writing Latest Questions

Shivanjali S
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Shivanjali SBegginer
Asked: July 21, 2024In:
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futurerenewable energysustainablitytrends
  1. Anita Dhruw
    Anita Dhruw Legend

    As much as there are many new trends which are expected to transform the renewable energy industry, the industry is set to exert a tremendously affect on the future trends in sustainability. Some of the noted are mentioned below. Green Hydrogen -Production: The usage of solar, wind and other underutRead more

    As much as there are many new trends which are expected to transform the renewable energy industry, the industry is set to exert a tremendously affect on the future trends in sustainability.

    Some of the noted are mentioned below.

    Green Hydrogen
    -Production: The usage of solar, wind and other underutilized power sources to generate renewable power and Water as a source of power can be divided into the electrolysis process that splits water into hydrogen and oxygen allowing a clean generation process.
    -Applications: Application of green hydrogen will comprise transport through use in fuel cell vehicles, industrial through replacement of fossil fuels in the production process and energy storage.

    -Energy Storage Developments:
    Long-duration Storage: It will therefore be very important that such technologies like flow batteries, compressed air energy storage, and pumped hydro storage, play very crucial role in addressing the intermittency of the source such as solar and wind.
    High-technology batteries are represented by advanced batteries technologies. Academic work has not slowed down on solid state batteries, lithium sulfur and other next generation battery chemistries which hold the dream of better energy density, longer life and reduced costs all of which may help them integrated to the grid.

    Ocean Energy: Tidal/Wave: Another area that will be of value will be the use of tides or waves.
    -Ocean Thermal Energy Conversion (OTEC): This technology harnesses the heat that is produced when the ocean’s surfaces are warmer than the deeper parts then utilizing this heat to generate electricity.

    Decentralized Renewable Energy:

    Microgrids: These local grids can be both isolated and connected to the main grid; this arrangement enhances the strength of the main grid and enables a much higher integration of distributed renewable resources.
    -Community Solar: This enables several consumers to enjoy the benefits of a single solar installation, thereby making solar well within reach of consumers who are unable to install individual systems.

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anu1980
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anu1980
Asked: July 19, 2024In:
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What role do renewable energy sources play in combating climate change, and what are the challenges and opportunities associated with transitioning to a renewable energy economy?

climate changeeconomy.renewable energy
  1. Sahil Das
    Sahil Das Begginer

    Role of Renewable Energy Sources in Combating Climate Change Environmentally Friendly: Renewable energy sources like wind and solar produce minimal carbon emissions and decrease reliance on finite fossil fuels. Pollution Reduction: Shifting to renewables curbs pollutants like SO₂ and NOx, improvingRead more

    Role of Renewable Energy Sources in Combating Climate Change

    1. Environmentally Friendly:

      Renewable energy sources like wind and solar produce minimal carbon emissions and decrease reliance on finite fossil fuels.

    2. Pollution Reduction:

      Shifting to renewables curbs pollutants like SO₂ and NOx, improving air quality and conserving water.

    3. Land Reuse:

      Former coal mining sites can be repurposed for renewable energy or reforestation.

    Opportunities Associated with Transitioning

    1. Energy Independence:
      • Reduces reliance on fossil fuel imports and shields countries from geopolitical and market shocks.
    2. Economic Growth:
      • Diversifies economies, promotes inclusive growth, and reduces poverty by eliminating import duties and price fluctuations.
    3. Leadership in Renewable Energy:
      • Fossil fuel-dependent countries can lead in renewable energy generation.
    4. Innovative Land Use:
      • Solar panels can be installed on barren lands or above canals, to prevent excessive evaporation, for dual benefits.
    5. Improved Working Conditions:
      • Reduces health risks associated with fossil fuel extraction, and generates a cleaner work environment.

    Challenges

    1. Skilled Workforce:
      • Requires time and investment for training.
    2. High Initial Costs:
      • Developing economies may struggle with the upfront costs.
    3. Job Transition:
      • Replacing fossil fuel jobs, linked to extraction and transportation, with new opportunities can be challenging.
    4. Variability in resource availability (e.g., wind and sunlight) and environmental impacts from production and disposal (e.g., solar panel manufacturing).
    5. Initial manufacturing processes can involve pollution, and there are challenges in managing waste from end-of-life equipment.

     

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Suman Devi
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Suman DeviBegginer
Asked: August 21, 2024In:
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advantages and challengesclimate change mitigationenergy transitionrenewable energy
  1. Umang Singh Yadav
    Umang Singh Yadav Expert

    Renewable energy sources like solar, wind and hydro power help combat climate change by replacing fossil fuels, reducing emissions and promoting sustainability. They decrease air pollution, slow global warming and protect ecosystems , ensuring a cleaner environment and healthier future for generatioRead more

    Renewable energy sources like solar, wind and hydro power help combat climate change by replacing fossil fuels, reducing emissions and promoting sustainability. They decrease air pollution, slow global warming and protect ecosystems , ensuring a cleaner environment and healthier future for generations to come naturally.

    Advantages of transition to Renewable Energy –

    1. Reduces greenhouse gas emissions, air pollution and water waste, protecting ecosystems, preserving natural resources and mitigating climate change for a healthier planet.
    2. It will creates jobs, stimulates local economies, reduces energy costs, enhances energy security and attracts investments, driving economic growth and sustainability nationwide effectively.
    3. Improves air quality, reduces respiratory diseases, cardiovascular illnesses and cancer risks, creating healthier communities by extending life expectancy and promoting well being for all citizens.
    4. Promotes energy equity, increases access to energy for marginalized communities, enhances energy independence and fosters sustainable development .

    Challenges of transition to Renewable Energy –

    1. Technical challenges including intermittent power supply, grid integration, energy storage limitations and infrastructure upgrades.
    2. Economic challenges including high upfront costs, job displacement, financing hurdles and phasing out fossil fuel subsidies.
    3. Social challenges including community resistance, land acquisition disputes, workforce retraining and ensuring equitable energy access.
    4. Environmental challenges including land use conflicts, water usage, material extraction impacts and waste management issues.
    5. Policy and regulatory challenges including inconsistent laws, lack of standards, permitting hurdles, and fragmented international cooperation.

     

    Renewable energy provides a cleaner, sustainable and economically viable solution for a healthier planet and a brighter future ahead.

     

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Amrith Raj
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Amrith RajBegginer
Asked: July 20, 2024In: , ,
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Examine the reasons behind the increasing use of renewable energy and the obstacles that must be addressed for wider adoption.

enewable energy sources challengesrenewable energyrenewable energy sourcesuse of renewable energy
  1. Amrita Singh
    Amrita Singh Begginer

    Nature has provided us with renewable sources of energy like solar, wind, and hydropower. But for a long time, these sources of energy have been ignored or not harnessed properly. But as the world witnesses the effects of climate change on the environment, people and animals are recognizing renewablRead more

    Nature has provided us with renewable sources of energy like solar, wind, and hydropower. But for a long time, these sources of energy have been ignored or not harnessed properly. But as the world witnesses the effects of climate change on the environment, people and animals are recognizing renewable sources of energy as weapons to combat these issues. However, the transition is not easy; it has lots of challenges. Let’s understand the key factors for driving the adoption of Renewable energy Sources and the challenges that still need to be overcome for a cleaner and greener future.
    Key Factors Driving the Adoption of Renewable Energy
    1. Renewable sources of energy produce little or no greenhouse gas compared to fossil fuels, which produce a huge amount and are responsible for global warming, extreme climate change, and rising sea levels.
    2. Renewable sources of energy provide a clean environment, which leads to good health for people. According to a world report, every year about 7 million people die due to air pollution.
    3. Governments of different countries are promoting renewable energy by providing tax exemptions and subsidies. The European Union (EU) has set a target to achieve 45% renewable energy by 2030.

    Challenges to the Adoption of Renewable Energy
    1. initial investment in renewable energy is quite high. This becomes a barrier for developing countries.
    2. Another setback is the storage of renewable energy. Though we have batteries, more changes are required to increase storage efficiency and cost-effectiveness.

    Conclusion
    To build a sustainable future, renewable energy is a must. With the effective use of research and development in technology, we can overcome the issues. Thus, we can achieve social, economic, and environmental progress.

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Shruti
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ShrutiBegginer
Asked: July 15, 2024In:
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Discuss the challenges and opportunities in the development and adoption of renewable energy technologies on a global scale.

renewable energyscience
  1. Utkarsh Kumar
    Utkarsh Kumar Begginer

    The development and adoption of renewable energy technologies face several challenges and opportunities on a global scale. Challenges: 1. High Initial Costs: The upfront investment for renewable energy infrastructure, such as solar panels, wind turbines, and storage systems, remains high, which canRead more

    The development and adoption of renewable energy technologies face several challenges and opportunities on a global scale.

    Challenges:
    1. High Initial Costs: The upfront investment for renewable energy infrastructure, such as solar panels, wind turbines, and storage systems, remains high, which can be a barrier for widespread adoption.
    2. Technological Limitations: Current technologies for energy storage and grid integration are not yet fully optimized, leading to intermittency issues with renewable sources like solar and wind.
    3. Policy and Regulatory Hurdles: Inconsistent policies, lack of incentives, and regulatory barriers in many countries slow down the implementation of renewable energy projects.
    4. Public Perception and Resistance: Misconceptions about the reliability and cost-effectiveness of renewable energy can lead to public resistance and slow adoption rates.
    5. Resource Availability: Geographic and climatic conditions affect the availability and efficiency of renewable resources, making them less viable in certain regions.

    Opportunities:
    1. Environmental Benefits: Renewable energy significantly reduces greenhouse gas emissions and dependency on fossil fuels, contributing to the fight against climate change.
    2. Technological Advancements: Innovations in energy storage, smart grids, and efficiency improvements are making renewable technologies more viable and cost-effective.
    3. Economic Growth: The renewable energy sector can create jobs, stimulate local economies, and reduce energy costs over time.
    4. Energy Security: Diversifying energy sources through renewables enhances energy security and reduces reliance on imported fuels.
    5. Global Collaboration: International cooperation and investments can accelerate the development and deployment of renewable technologies, fostering global sustainability.

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