Disposal of spent oil into soils around auto parts markets impacts heavy metal concentrations and poses a potential ecological risk
EfD Authors:
AbstractNigeria is facing the problem of soil degradation as a result of continuous deposition of spent oil in the soil. The physiochemical properties, including heavy metals concentrations, of spent oil contaminated soils and adjacent control soils were investigated at 0–15 and 15–30 cm depths at Ladipo and Berger auto-mobile Markets in Lagos, southwest Nigeria. The soils were collected in triplicate and analyzed in a 2 (location) * 2 (study site) * 2 (soil depth) factorial experiment.
Economic values for ecosystem services: A global synthesis and way forward
EfD Authors:
This paper presents a global synthesis of economic values for ecosystem services provided by 15 terrestrial and marine biomes. Information from over 1,300 studies, yielding over 9,400 value estimates in monetary units, has been collected and organised in the Ecosystem Services Valuation Database (ESVD). This is a substantial expansion of data since the de Groot et al. (2012) description of the ESVD and provides an important juncture to explore developments in the use of valuation methods and the contexts in which valuations are conducted.
Input efficiency as a solution to externalities and resource scarcity: A randomized controlled trial
Forest Cover and Dengue in Costa Rica: Panel Data Analysis of the Effects of Forest Cover Change on Hospital Admissions and Outbreaks
EfD Authors:
In this study, we estimate the marginal effects of increasing forest cover on dengue prevalence in Costa Rica using econometric models to relate hospital admission records to forest cover maps from 2001 and 2011. We find that increasing the percentage of forest cover significantly decreases both the number of hospital admissions for dengue and the probability of an outbreak.
Preferences of small-scale gold miners related to formalization – first steps toward sustainable mining supply chains in Colombia
EfD Authors:
Preamble
Formalization in small-scale gold mining communities in Colombia offers valuable insights into the complexities surrounding this process. Analyzing elements such as the formation of local mining associations, financial contributions to authorities, unpaid work for site restoration, and the influence of gold prices, evidences the diverse preferences and challenges faced by miners.
The Costs of Blue Sky: The Distributional Effects of Environmental Regulation on Labor Demand in China
EfD Authors:
Based on EfD Discussion Paper by Bing Zhang and Mengdi Liu.
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In response to tougher environmental rules, factories need to cut down on pollution and modify their optimal production decisions, which may have an impact on their labor demand. We look into how China's policy for controlling air pollution in major cities affects jobs. Key Messages |
Accounting for the increasing benefits from scarce ecosystems
EfD Authors:
Governments are catching up with economic theory and practice by increasingly integrating ecosystem service values into national planning processes, including benefit-cost analyses of public policies. Such analyses require information not only about today’s benefits from ecosystem services but also on how benefits change over time. We address a key limitation of existing policy guidance, which assumes that benefits from ecosystem services remain unchanged.