Renewable energy, often referred to as clean energy, comes from natural sources or processes that are constantly replenished. For example, sunlight or wind keep shining and blowing, even if their availability depends on time and weather.
Electricity production is our #1 source of greenhouse gases, more than all of our driving and flying combined, and clean energy alsoreduces harmful smog, toxic buildups in our air and water.
Why does it matters ?
Unlike fossil fuels, some energy sources are totally renewable, and do not emit greenhouse gases. These clean and sustainable alternative energy solutions includesolar energy, hydropower, wind energy, geothermal energy and biomass energy