Energy efficiency is the practice of reducing the energy required to provide products and services. It is one of the easiest and most cost-effective ways to fight climate change, reduce energy costs for consumers and improve the competitiveness of businesses.
Energy efficiency plays a vital role in accelerating the clean energy transition and achieving global climate goals . and sustainability. Energy conservation involves people reducing activities that use energy – for example, simply turning off lights, reducing the use of motor vehicles, or using appliances less often.