Today in our environmental science lecture, we're discussing renewable energy sources. One key point is that while solar power is popular, its efficiency depends heavily on geographic location. For example, in northern Europe, solar panels produce only 60% of the energy they would in southern Spain. However, wind energy is more consistent in coastal areas, where wind speeds are higher and more predictable. Additionally, we must consider storage costs, which can be significant for solar but less for wind due to battery requirements. Finally, government subsidies often favor whichever source is most abundant locally, but experts suggest a balanced approach is more sustainable.
❓ Theo bài giảng, nhược điểm lớn của năng lượng mặt trời được đề cập là gì?
A. A. Cài đặt nó quá đắt.
B. B. Hiệu quả của nó thay đổi rất lớn tùy theo vị trí.