Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The Kyoto Protocol was drawn up in 1997 with the main aim to reduce carbon emissions in industrialized countries below the level registered in 1990. However, it came into force only in 2005 after long political debates. The Kyoto Protocol expires in 2012, but it will be remembered as the first international treaty developed to reduce greenhouse gas emissions. Learn more about the international agreement, its history and objectives as well as criticism of the Kyoto Protocol in this book.