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 Vietnam by 2030. There are other critics on the government's climate change adaptive strategy. Some people believe that up to now government policies have focused on sector-wide assessments for the whole country and on “hard” adaptation measures—such as sea dikes, reinforced infrastructure, and durable buildings. Little attention has been paid to “soft” adaptation measures like increasing institutional capacity or the role of collective action and social capital in building resilience. Moreover, François Fortier(School of International Development and Global Studies, University of Ottawa) claims, in his essay, "Taking a climate chance: A procedural critique of Vietnam’s climate change strategy", that the government's