FoodSome crop yields, such as cereals, could initially increase at mid to high latitudes, but start to decrease in some areas once temperatures climb by more than 3C.

• 食物在农产区,比如谷物,中高纬度地区的农作物产量开始时或许会增加;但如果问题升高超过3度的话,某些地区就面临着减产。