Turn off lights and electronics when not in use using power strips. Properly maintain and insulate home heating/cooling systems, and turn them off or down when unoccupied. Do full loads of cold-water laundry, clean dryer lint, and air dry when possible. Carpool, use public transit, and take direct flights when possible. Reduce junk mail, only boil needed water, purchase energy efficient appliances, and plant trees to reduce carbon footprint.