carbon offset

Many airlines offer passengers the option to purchase carbon offsets to compensate for flight emissions.许多航空公司为乘客提供购买碳抵消的选项，以弥补航班产生的排放。

Reforestation projects are commonly used as carbon offsets under international climate agreements.在国际气候协议下，再造林项目通常被用作碳抵消手段。