Access to safe, clean sanitation facilities throughout the day is important as safely managed sanitation helps protect both human health and the environment. Although there has been impressive progress in recent years, the challenge will only increase, as work towards safely managed sanitation for all.

The high cost of nutritious foods can worsen poor diets and nutrition outcomes especially among low-income households. Yet little is known about the spatial and temporal patterns of the cost of nutritious diets in South Asia, where malnutrition in multiple forms remains high.

This paper uses a popular web mapping and transportation service to generate information for more than 22 million counterfactual trip instances in 154 large Indian cities. It then develops a methodology to estimate robust indices of mobility for these cities.

The debate on the environment-poverty nexus is inconclusive, with past research unable to identify the causal dynamics. This paper uses a unique global panel data set that links (survey and census derived) poverty data to measures of environmental quality at the subnational level.


Water, energy, and agriculture have been conventionally dealt with separately in investment planning. For each of these sectors, regulatory frameworks, organizations, and infrastructures have been put in place to address sector-specific challenges and demands.

Poverty has been declining in Sub-Saharan Africa, but millions are still poor or vulnerable. To address this ongoing and complex problem, all countries in the region have now deployed social safety net programs as part of their core development plans.

This paper contributes to understanding the physical and economic effects of salinity diffusion and planning for appropriate adaptation for managing the Sundarbans in a changing climate, with a focus on the West Bengal portion of the tidal-wetland forest delta.

Integration of large-scale variable renewable energy (VRE) generation resources -- wind and solar -- into national grids has been gaining importance as costs of these technologies, especially that of solar, continues to fall rapidly.

This study examines the importance of enhancing the cross-border transmission interconnections and regional electricity trade to promote hydropower in the South Asia region and quantifies the potential of hydropower development and trade under alternative scenarios.

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