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Rapid population growth, urbanization, industrialization, and climate change are the key drivers causing serious water pollution around the globe. Considering the impacts of these key drivers, this study employed the Water Evaluation and Planning (WEAP) simulation tool to simulate the future water quality in a nearly 60-km stretch of the Hau River...

This technical summary report presents the results of the technical analysis of biennial update reports of Zambia submitted in 2020, conducted by a team of technical experts in accordance with the modalities and procedures contained in the annex to decision 20/CP.19. The author at IGES (Chisa Umemiya) served as one of the co-leads.

Our lifestyles, through the impacts of our day-to-day activities such as eating, moving and commuting, heating and cooling our homes, taking work and care responsibilities, and so on, have become major threats to the sustainability of the environment. We are living beyond our ecological means and experiencing both very serious impacts on...

Socio-hydrological approaches are gaining momentum due to the importance of understanding the dynamics and co-evolution of water and human systems. Various socio-hydrological approaches have been developed to improve the adaptive capacity of local people to deal with water-related issues. In this study, a social-hydrological approach was developed...

In this discussion paper, we demonstrate why and how co-innovation can serve as a critical enabler of a bilateral Japan-India partnership on hydrogen technologies. We argue that more than conventional approaches to technology transfer, co-innovation places a premium on the role of multi-stakeholder collaboration in triggering the transition from...

Fernando Ortiz-Moya, urbanist working at the Institute for Global Environmental Strategies (IGES), explores the role of VLRs (Voluntary Local Review) in building better cities and what Tokyo is doing to achieve the Sustainable Development Goals.

The 2021 High-level Political Forum (HLPF) consolidated the prime role of VLRs (Voluntary Local Reviews) in localizing the 2030 Agenda for Sustainable Development. A record number of local governments – 17 cites –presented a 2021 VLR by July 2021 according to UN-Habitat. By comparison, 26 VLRs were published in 2020. VLRs have also gained broader...

Japan’s severe population decline is seriously threatening the sustainability of many of the country’s municipalities. In a desperate run for survival, all levels of government have hurried to apply strategies aiming at stopping decay and the development of new infrastructure is met with particularly high expectations for new prosperity. That is...

The global population is concentrating unprecedentedly into urban areas, raising concerns on global sustainability and human well-being. There also exists a niche trend of migration from urban to rural areas particularly in countries with post-industrial economies. This paper investigated values of migration expressed by the migrants arrived in...

This study assesses qualitative and quantitative changes in groundwater resources and their impact on land subsidence in Can Tho, Vietnam, from 2000 to 2018. Can Tho city is characterized by scarce water resources and intense industrial, domestic, agricultural, and mining usage, creating water stress. The vertical compaction rates and thus land...