And where water is running low, as it is in so many parts of the world, farmers are letting their fields dry out on purpose, a strategy that also reduces methane, a potent greenhouse gas that rises from paddy fields.
在水资源不足的地方(世界上许多地方都是这样),农民故意让他的田地干涸,这种策略也减少了甲烷,甲烷是一种从田中产生的温室效应很强的气体。