. 2020 Oct 22;192:110376. doi: 10.1016/j.envres.2020.110376

Table 1.

Sustainability indicators to establish relationships among the WHEN nexus. The indicators are the same as SDG indicators, and thus, the WHEN nexus can be used to assess progress towards SDGs.

Component	Sub-component	Indicator	Units	SDG indicator
Water	Water security	Proportion of population using safely managed drinking water services	%	6.1.1
Water	Water security	Proportion of bodies of water with good ambient water quality	%	6.3.2
Human health	WASH	Mortality rate attributed to unsafe water, unsafe sanitation, and lack of hygiene	per 100 K of pop	3.9.2
Environment	Functional ecosystem	Forest area as a proportion of total land area	%	15.1.1
Environment	Functional ecosystem	Proportion of land that is degraded over total land area	%	15.3.1
Nutrition	Sustainable diets	Prevalence of moderate or severe food insecurity in the population	%	2.1.2
Nutrition	Sustainable diets	Prevalence of malnutrition	%	2.2.2