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This paper provides an overview of policy responses to arsenic in groundwater in rural Bangladesh to assess their role and potential effectiveness in reducing exposure. With 97% of the country consuming groundwater for drinking, there is a continuing crisis of tens of millions of people exposed t...


Balasubramanya, SoumyaHorbulyk, Theodore M.[Groundwater arsenic in Bangladesh: what's new for policy research?]Groundwater arsenic in Bangladesh: what's new for policy research?

Climate change science has been discussed and synthesized by the world's best minds at unprecedented scales. Now that the Kyoto Protocol may become a reality, it is time to be realistic about the likelihood of success of mitigation activities. Pastoral lands in the tropics hold tremendous sequest...


Reid, Robin S.Thornton, Philip K.McCrabb, G.J.Kruska, R.L.Atieno, F.Jones, Peter G.[Is it possible to mitigate greenhouse gas emissions in pastoral ecosystems of the tropics?]Is it possible to mitigate greenhouse gas emissions in pastoral ecosystems of the tropics?

Groundwater from the shallow aquifers of the Vientiane Plain, Laos is used for domestic needs including to some extent for drinking and for household gardening. The objective of this study is to assess the groundwater quality for drinking and irrigation activities and to determine the processes t...


Brindha, KarthikeyanPavelic, PaulSotoukee, TouleelorDouangsavanh, SomphasithElango, L.[Geochemical characteristics and groundwater quality in the Vientiane Plain, Laos]Geochemical characteristics and groundwater quality in the Vientiane Plain, Laos

This Highlight reviews 34 papers that deal with interventions aimed at reducing negative impacts of irrigating with Arsenic (As) rich water. These studies show that there are six broad groups of interventions: deficit irrigation, soil fertilization, growing crops other than paddy, switching to As...


Senanayke, N.Mukherji, Aditi[Irrigating with arsenic contaminated groundwater in the Bengal Delta: a review of mitigation options.]Irrigating with arsenic contaminated groundwater in the Bengal Delta: a review of mitigation options.

Load estimates are more informative than constituent concentrations alone, as they allow quantification of on- and off-site impacts of environmental processes concerning pollutants, nutrients and sediment, such as soil fertility loss, reservoir sedimentation and irrigation channel siltation. Whil...


Slaets, J.I.F.Piepho, Hans-PeterSchmitter, Petra S.Hilger, T.Cadisch, Georg[Quantifying uncertainty on sediment loads using bootstrap confidence intervals]Quantifying uncertainty on sediment loads using bootstrap confidence intervals

Natural wetlands are green infrastructure systems that are energy-efficient for wastewater treatment and can be found in diverse geo-environmental settings around the world. Their structure and functions, which defines the treatment efficiencies are highly varied. Wetlands over shallow bedrock an...


Sonkamble, S.Sahya, A.Jampani, M.Ahmed, S.Amerasinghe, Priyanie H.[Hydro-geophysical characterization and performance evaluation of natural wetlands in a semi-arid wastewater irrigated landscape]Hydro-geophysical characterization and performance evaluation of natural wetlands in a semi-arid wastewater irrigated landscape

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