The key answer of exercise 13

Sample Answer

• Evidence of Interest in Alternative Energy Sources: Global interest in alternative energy sources is evident through increased investments, technological advancements, and supportive policies. Governments, private entities, and investors are committing resources to develop and implement clean energy technologies. Ongoing research has led to breakthroughs, making renewable sources more efficient. Policies and regulations worldwide encourage clean energy adoption, reflecting a growing awareness of the environmental impact of traditional energy sources. Additionally, businesses are integrating clean energy practices into their operations, aligning with broader sustainability goals.
• Advantages of Clean Energy: Clean energy sources offer significant advantages, contributing to reduced greenhouse gas emissions, long-term sustainability, and job creation. Renewable sources like solar, wind, and hydropower provide reliable and environmentally friendly energy. The clean energy sector fosters job opportunities across various fields and enhances energy security by diversifying the energy mix. The absence of harmful pollutants from clean energy generation improves air and water quality, benefiting public health.
• Disadvantages of Clean Energy: Despite the benefits, clean energy sources face challenges, including intermittency concerns, initial costs, and potential environmental impacts. Intermittent energy production, especially in solar and wind power, poses reliability issues. While initial installation costs are high, decreasing technology costs and financial incentives address this challenge. Large-scale projects may require substantial land use, impacting ecosystems. Geographic limitations and technological constraints exist, but ongoing innovation and investment aim to overcome these hurdles, making clean energy a crucial component of a sustainable future.