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 1990 to 2020. On April 22, 2016 the Paris Climate Accords were signed by all but three countries around the world. The conference to talk about this document was held in Paris, France. This put Europe in the epicenter of talks about the environment and climate change. The EU was the first major economy that decided to submit its intended contribution to the new agreement in March 2015. The EU ratified the Paris Agreement on October 5th, 2015. In these talks the countries agreed that they all had a long-term goal of keeping global warming to well below 2 degrees