Sustainable Development Indicators for Taiwan			Index ›› Island Taiwan ›› Environmental quality Index ››
		Light-polluted streams percentage Relationship with sustainability Activities of human and economy might increase loadings of discharges into streams. Increase the percentage of light-polluted streams is the goal of sustainable development. Calculation {[(Length of unpolluted streams) + (Length of light-polluted streams)] / Length of total monitoring streams in the year} x 100% Source of data Office of Statistics, EPA