Environment of japan In Japan, alternative and nuclear energy consumption is 3.2% of total energy consumption. Japan emits 9.3 tons of CO₂ per capita. Forest The total land area of Japan is 377,915 km2 (approximately 145,913 mi²). 253203 km2 of the territory of Japan are covered with forests. and woodland comprises 67% of the total land in the country. Problems facing Japan Currently, Japan is facing various problems including air pollution from power plant emissions leading to acid rain, acidification of lakes and reservoirs, which degrade water quality and threaten aquatic life. Japan is one of the largest consumers of fish and tropical timber and contributes to their depletion of resources in Asia and elsewhere. http://www.confiduss.com/en/jurisdictions/japan/environment/