Climate change mitigation climate change are more damaging in poor nations, where infrastructures are weak and few social services exist. The Commitment to Development Index is one attempt to analyze rich country policies taken to reduce their disproportionate use of the global commons. Countries do well if their greenhouse gas emissions are falling, if their gas taxes are high, if they do not subsidize the fishing industry, if they have a low fossil fuel rate per capita, and if they control imports of illegally cut tropical timber. The main current international agreement on combating climate change is the Kyoto Protocol. On the 11th
Geography of Japan 3 July 2018, Japan's government pledged to increase renewable energy sources from 15% to 22-24% including wind and solar by 2030. Nuclear energy will provide 20% of the country's energy needs as an emissions-free energy source. This will help Japan meet climate change commitments. Most regions of Japan, such as much of Honshu, Shikoku and Kyushu, belong to the temperate zone with humid subtropical climate (Köppen climate classification "Cfa") characterized by four distinct seasons. However, its climate varies from cool humid continental climate (Köppen climate classification "Dfb") in the north such as northern Hokkaido, to warm tropical rainforest climate (Köppen