Fuel cars and airplanes, power electricity plants, and heat our homes.
Wind, it takes nothing to use wind, which means it doesn't put harmful emissions into the atmosphere.
Japan is a small isle chain with millions of people due to the fact it is mainly arable (It allows for agriculture), but the fact is the increase technology brings up the population of Japan. Japan is also still influx of population by World war 2, as they had MILLIONS upon MILLIONS die on different isles, lands, etc. They also had a major emigration after WWII.
Answer:
Culture, Topography, and Climate