在政治层面，联合国是193个成员国一起坐下来谈判的地方，1992年里约地球峰会的气候变化条约等重要国际法就产生于这类谈判。
At the political level, the UN is the meeting place for 193 member states to negotiate and create international law, as in the important treaty on climate change adopted at the Rio Earth Summit in 1992.