Goal 6 - Clean water & sanitation

Target 6.3

By 2030, …..halving the proportion of untreated wastewater and substantially increasing recycling and safe reuse globally

Target 6a

By 2030, expand international cooperation and capacity-building support to developing countries in water- and sanitation-related activities and programmes, including water harvesting, desalination, water efficiency, wastewater treatment, recycling and reuse technologies

http://sdg.iisd.org/sdgs/goal-6-clean-water-sanitation/