Climate change in Japan and Toyota hybrid electric vehicles were named to have the highest fuel efficiency and lowest emissions. The fuel economy and emissions decrease is due to the advanced technology in hybrid systems, biofuels, use of lighter weight material and better engineering. As a signatory of the Kyoto Protocol, and host of the 1997 conference which created it, Japan is under treaty obligations to reduce its carbon dioxide emissions and to take other steps related to curbing climate change. The Cool Biz campaign introduced under former Prime Minister Junichiro Koizumi was targeted at reducing energy use through the reduction of air conditioning
Climate change in New Zealand the issues that climate change is already creating in the nation, as well as focusing on international adaptation, supporting international efforts to mitigate climate change, with special focus given towards the Pacific. The Green Party also committed to making New Zealand a carbon neutral country by the year of 2050 and to establishing an independent climate commission. The Green Party proposed a Kiwi Climate Fund to replace the Emissions Trading Scheme, charging individuals responsible for contributing to climate change pollution. Commitment was also made to New Zealand having 100 percent renewable energy by 2030, as well as planting 1.2 billion