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 Indonesia baseline by 2030. International assistance could enable Indonesia to reduce its emissions by an estimated 41 per cent from the baseline by 2030. Global climate change is expected to increase temperatures in Indonesia by 0.8°C by 2030. Changes in rainfall patterns are predicted to have an adverse impact on Indonesian agriculture, with shorter rainy seasons. Indonesia experienced crop losses and adverse impacts to fisheries as a result of climate change as early as 2007. Climate change in Indonesia Indonesia greenhouse gas emissions are a significant fraction of world greenhouse gas emissions. Indonesia has been called the "most ignored emitter" which