10 Important ways to save energy & fight global warming 1. Use energy-efficient appliances, such as energy-saving lightbulbs 2. Switch to an electricity provider that offers electricity derived from renewable sources. 3. Ride a bicycle for distances under e.g. 10km. Consider a bus or train for longer distances. 4. Lower your thermostat by 4 to 5 degrees Celsius during the night and when nobody's home. 5. Make sure your home is well insulated. 6. Completely switch-off appliances that you do not use. 7. Consider going to your holiday destination by bus or train, instead of car or airplane. 8. If possible, work at home instead of an office location. 9. Support forestation programs that focus on planting indigenous trees in tropical regions. 10. Educate others. Tell people of the importance of an energy-efficient lifestyle.