The Carbon Neutrality Challenge is an initiative to mitigate climate change, in which individuals estimate their CO2 footprint and then plant enough trees to offset it. Thousands of trees have been planted by volunteers in Hawaii who took the Carbon Neutrality Challenge.

中文翻译：

---

通往碳中和的林荫大道

碳中和挑战是一项缓解气候变化的倡议，其中，人们估算自己的二氧化碳足迹，然后种植足够的树木来抵消它。参加碳中和挑战赛的夏威夷志愿者已经种植了数千棵树木。