什么是碳中和？请用一段话给出简洁的定义。carbon neutrality refers to achieving net-zero carbon dioxide emissions, typically through a combination of emission reduction efforts and carbon offsets. 请以这句话为参考，用中文给出答案。
user
碳中和指的是通过减排努力和碳抵消措施，实现二氧化碳净零排放。
assistant