In response to global climate change, more than 100 nations signed the United Nations ’ Kyoto Protocol in 1997 with the goal of putting a worldwide cap on greenhouse gas (GHG) emissions.
為因應氣候變遷，聯合國於 1997 年邀集一百多國簽署《京都議定書》，擬定全球溫室氣體排放「總量管制」的計畫。