Sustainable energy is energy that is derived from renewable, natural resources that can be replenished over time. Examples include solar, wind, hydro, and geothermal power.

Sustainable energy is important for a greener future because it helps reduce greenhouse gas emissions and other harmful pollutants that contribute to climate change. It also reduces our dependence on finite, non-renewable resources like oil and coal, which are becoming increasingly scarce and expensive.

There are many benefits of sustainable energy, including: lower greenhouse gas emissions and air pollution, reduced dependence on fossil fuels, increased energy security, job creation in the renewable energy sector, and cost savings over time as renewable energy becomes more competitive with traditional energy sources.

Some examples of sustainable energy sources include: solar power, wind power, hydro power, geothermal power, and biomass energy. Each of these sources has its own unique advantages and disadvantages, and the best choice for a particular location or application will depend on a variety of factors.

Individuals can support sustainable energy by: reducing their energy consumption through energy-efficient practices and appliances, choosing renewable energy options when possible, advocating for sustainable energy policies and investments at the local and national level, and supporting companies and organizations that prioritize sustainability and renewable energy.