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Infrastructure expansion challenges sustainable development in Papua New Guinea
Mohammed Alamgir1, Sean Sloan1, Mason J Campbell1
1Centre for Tropical Environmental and Sustainability Science, and College of Science and Engineering, James Cook University, Cairns, Queensland, Australia.
Plos One
|July 25, 2019
Summary
Papua New Guinea
Area of Science:
- Environmental Science
- Conservation Biology
- Development Economics
Background:
- Papua New Guinea possesses the planet's third-largest tropical rainforest.
- The nation plans to significantly expand its road network to foster economic growth.
Purpose of the Study:
- To assess the environmental and socioeconomic risks of planned road network expansion in Papua New Guinea.
- To evaluate the potential impacts on biodiversity, forest connectivity, and climate commitments.
Main Methods:
- Utilized fine-scale biophysical and environmental data for risk assessment.
- Analyzed potential impacts on critical habitats, endangered species, and carbon-rich ecosystems.
Main Results:
- Identified risks including habitat fragmentation, reduced forest connectivity, and threats to endangered species.
- Highlighted conflicts with climate mitigation goals and potential for deforestation hotspots.
- Projected high construction/maintenance costs and economic challenges, potentially outweighing benefits for specific road projects.
Conclusions:
- Planned road projects pose significant environmental, social, and economic risks.
- Several road projects may not yield net benefits and should be reconsidered.
- Development plans require a holistic evaluation beyond short-term economic gains, prioritizing conservation and sustainable development.
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