9. Improvement plans ・ Introduce energy which saves energy or doesn’t discharge CO 2 (sunlight, wind, biomass, hydrogen, atomic energy, etc…) ・ Promote the economic activity which a small quantity of energy dependence. (energy-saving equipment, a low-emission vehicle, using means of public, etc...) ・ Accelerate the increase of carbon absorption quantity (tree planting, greening a desert, repress of felling forest, appropriate administration of irrigation and water resources, etc… )