What is a characteristic of renewable energy sources?

Renewable energy sources are characterized by their ability to be replenished naturally over a relatively short time frame, making them sustainable for long-term use. This includes energy derived from sources such as sunlight, wind, water, and biomass, which can regenerate and continue to provide energy without depleting the resource itself.

In contrast, finite and exhaustible resources are typical of fossil fuels, which cannot be replenished on a human timescale. Some energy production methods indeed utilize non-renewable resources, but this is not a defining characteristic of renewable energy sources, as renewable sources aim to reduce reliance on such fuels and their associated environmental impacts. By focusing on natural replenishment, renewable energy is essential for reducing carbon footprints and addressing climate change.