JICA Ogata Research Institute



How to Enhance EIA Systems in Developing Countries: A Quantitative Literature Review

Developing countries introduced environmental impact assessment (EIA) systems in the 1970s and 1980s. However, the weak implementation has been a major problem.

This study suggests solutions for the enhancement of EIA systems in developing countries using a quantitative literature review. It clarifies the time-series changes of constraints and develops recommendations on EIA systems by applying quantitative text analysis to 128 documents published between 1983 and 2020. Before and after 2003, the ratio of the constraints embodied in law and administration has significantly decreased, and that of environmental impact statements (EISs) has significantly increased, while the ratio of recommendations for monitoring significantly increased.

Based on these findings, the study proposes that developing countries should strive for better quality of EIS and develop EIS databases to enhance EIA systems, because EIS quality determines the effectiveness of an EIA system, and the database supports improvement of that quality.

This paper was published in the journal Environment, Development and Sustainability on Jan. 16, 2022. The paper can be purchased through the link below.

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