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Worldwide water demand has been rising at a rate of 1% every year and expected to increase toward 30% by 2050. This, apart from the unsustainable pressures on freshwater which is just 2.5% of the total earth's surface, water is under continuous degradation due to polluting discharges as a result of industrialization, urbanization, and chemical-based agriculture. Moreover, the brunt of climate change has made it a commodity scarcely available, with over two billion people experiencing high water stress in some countries. In such challenging times, with the Agenda – 2030 of the sustainable development goals on the one hand, and the extraordinary research on the other, has made a breakthrough means to the problem. The “means” is the “state of the art” technology on the “green synthesis” of nanoparticles (NPs) to degrade the organic as well as other toxic pollutants from the industrial wastewater. The “Green …