Fig. 2: Interactions between SDG 6 and other SDGs at the target level in China.

SDGs are Sustainable Development Goals introduced by the United Nations1. Here, we focus on the interactions between the targets that are considered relevant to nutrient pollution in water systems (Fig. 1). The approach to assessing the interactions between these SDGs is described in the “Methods” section. The interactions are explained in Supplementary Tables 3, 4.