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 Capital a property fund that buys commercial green buildings or retrofits existing commercial properties in the United Kingdom. The company's think tank was established in 2009 to promote discussion of how capital can be deployed to mitigate and adapt to climate change. In 2006, the group launched the world's largest private sector carbon fund. In April 2012, Bunge Ltd, a global agribusiness and food company founded in 1818, acquired Climate Change Capital Group Limited. Climate Change Capital’s chairman is James Cameron, a member of General Electric's ecomagination board, a trustee member of the UK Green Building Council and the Carbon Disclosure