Open source: building hydropower, wind power, bioelectricity and nuclear power; Strengthen the utilization of solar energy and geothermal energy; Develop rural biogas. Throttle: try to take buses and trains when going out to reduce self-driving; Hot water with solar water heater; Use solar energy for heating in winter; Usually pay attention to turn off the tap and turn off the lights. Off topic, don't turn off the electricity to save energy.