Agreement on an international carbon-price floor would be a good starting point in that process.
就国际碳价格下限达成的协议将是这进程中一个良好的起点。
2
We started with just the seven metals and carbon plus sulfur, it was the point of departure for Democritus.
我们开始讲了7种金属，还有碳和硫磺，那就是Democritus的起点。
3
China has proposed that it will cut its' carbon intensity '— the amount of carbon emitted per percentage point of gross domestic product — by 40% to 45% by 2020.