英语翻译帮忙翻译一句句子：（万分感谢）《京都协定书》是人类有史以来通过控制自身行动以减少对气候变化影响的第一个国际文书.

"Kyoto Protocal" is the first international document to reduce climate change by controlling people's actions.In December 1997,more than 150 countries came to an agreement about reducing greenhouse gas emissions by developed countries in Kyoto,that is "Kyoto Protocal".