This Commentary directly addresses the most pressing challenges of World Water Day by tackling the presistence of water-, sanitation- and hygiene-related diseases and what needs to be done to address these challenges.

In this Voices panel, 7 global experts discuss the challenges of wastewater management and what is needed to transition wastewater into useable water.

Gilbert Houngbo is the chair of UN-Water and president of International Fund for Agricultural Development. In this Q&A, he discusses global progress and remaining challenges to achieving clean water for all.

In this Commentary, the increasing risk of pharmaceutical pollution to the world's rivers is discussed. To safeguard clean drinking water, crop irrigation, and biodiversity, the authors call for accellerated global collaboration.

The content concerns models for optimal utilization of groundwater resources

It discussed the fountain scheduling strategies for improving water-use efficiency

This study supports SDG's 9 and 13 through its discussion of the effects of optimizing Municipal Solid Waste management systems by increasing waste collection coverage and implementing diverse streams of waste valorization, causing a decrease of atmospheric pollution.

Studies on the distribution of microplastics in aquatic environments are summarized and environmental and anthropogenic factors affecting microplastic toxicity are reviewed

This study analyses spatial distribution of water reservoirs in the Sota catchment with regards to livestock density, population density, rainfall distribution and geological structure of the Sota catchment, and assessed the state of these reservoirs.

Results of ultrafiltration (UF) and reverse osmosis (RO) pilot plant on-site tests for wastewater reclamation are reported here with 90% and 65% water recovery achieved for UF and RO stages, respectively. RO achieved high quality requirements for industrial reuse supporting SDG 6.