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 Europe chief is Connie Hedegaard since 10 February 2010. Climate change affects both people and the environment in the world as well as in Europe. Human-induced climate change has the potential to alter the prevalence and severity of extreme weather like storms, floods, droughts, heat waves and cold waves. These extreme weather changes may increase the severity of diseases in animals as well as humans. The heat waves will increase the forest fires. Experts have warned that the climate change may increase the number of global climate refugees from 150 million in 2008 to 800 million in future. International agreement of