What is referred to as "renewable energy"?

Renewable energy is defined as energy derived from sources that replenish naturally. This includes resources such as sunlight, wind, rain, tides, waves, and geothermal heat. These sources are continually replenished by natural processes and provide an ongoing supply of energy without depleting the Earth’s resources.

The significance of renewable energy lies in its sustainable nature; as opposed to fossil fuels, which are finite and contribute to environmental degradation through pollution, renewable energy sources can be harnessed in a way that minimizes environmental impact. This contributes not only to energy security but also to combating climate change and improving public health by reducing air pollution.

In contrast, energy generated from fossil fuels is non-renewable and finite, leading to depletion and environmental concerns, while energy that is non-renewable and finite refers specifically to sources that cannot be replenished on a human timescale. The option regarding energy being expensive and rare does not accurately reflect the nature of renewable energy, as many renewable sources have become increasingly cost-effective in recent years. Thus, the characterization of renewable energy as coming from sources that replenish naturally is essential for understanding its role in sustainable development.