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River meandering and anabranching have become major problems in many large rivers that carry significant amounts of sediment worldwide. The morphodynamics of these rivers are complex due to the temporal variation of flows. However, the availability of remote sensing data and geographic information systems (GISs) provides the opportunity to analyze...

Plastic is ubiquitous: we use it for life-saving medical devices, clothing, toys and cosmetics; we use it in agriculture and industry. But we also know the growing risk of plastic waste in the environment, landfills and the oceans. For example, the amount of plastic that some fulmars accumulate in their stomachs during their lives is equivalent to...

In the early 2000s, Japan instituted the Great Heisei Consolidation, a national strategy to promote large-scale municipal mergers. This study analyzes the impact that this strategy could have on watershed management. We select the Lake Kasumigaura Basin, the second largest lake in Japan, for the case study and construct a dynamic expanded input...

This presentation was a quick overview of monitoring and scientific research on marine plastics and pollution. The whole information is based on “G20 Report on Actions Against Marine Plastic Litter” 2019, 2020, 2021, and 2022. The major findings from the quick review are as follows: 1) It seems that the current policy attentions is still more on...

ERIA and IGES organized the 3rd Meeting of ERIA’s Experts Working Group on Marine Plastic Debris on November 8-9, 2022 in Jakarta at ERIA HQ. During the meeting, OECD's new workstream to develop Asia-Pacific version of Plastic Outlook. The experts, IGES and ERIA agreed that it will be a good opportunity to have a regiional assessment on plastic...

Microplastics (MPs) and plastic-related chemical pollution are widely discussed in the literature. The presence of MPs in environmental compartments create adverse impacts on ecological systems and potential exposure of human through several pathways. Hence monitoring plays an important role in upstream and downstream mitigatory measures. The...