Planting forests to soak up carbon dioxide from the atmosphere can have a range of side effects, including drying up streams and making soil saltier, according to a global study.

• 一份全球调查表明：依靠植树造林来吸收大气中的二氧化碳可能会有多种副作用，其中包括河流干涸、土壤盐分增加。