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EFFECTIVENESS OF INTERNATIONAL ENVIRONMENTAL LAW IN ADDRESSING TRANSBOUNDARY HARM AND PROMOTING ENVIRONMENTAL JUSTICE

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Abstract

Environmental harm is constitutively indifferent to political boundaries. Yet the mechanisms through which international law purports to address transboundary environmental damage remain fragmented, asymmetrically enforced, and ill-suited to the structural complexity of contemporary challenges. Beginning from the foundational architecture of the Trail Smelter Arbitration (1941)[1] and the Rio Declaration on Environment and Development (1992)[2], the article evaluates whether the no-harm rule and the polluter pay principle the twin pillars of IEL accountability remain adequate to modern environmental governance. The article employs doctrinal research and analytic methods to examine the effectiveness of international environmental law (IEL) in addressing transboundary environmental harm and advancing environmental justice across three contemporary dimensions climate-induced loss and damage, cross-border pollution, and the environmental impacts of multinational corporations.

The article opines that despite considerable maturity in the normative architecture of IEL, particularly in light of the ICJ Advisory Opinion on Obligations of States in Respect of Climate Change,[3] the Loss and Damage Fund operationalised at COP28;[4] the emerging transnational influenced Uganda’s domestic environmental framework under the National Environment Act 2019 and the constitutional right to a clean and healthy environment under Article 39 of the Constitution of Uganda;[5] as well as judicial enforcements in Advocates Coalition for Development and Environment (ACODE) v Attorney General[6] and Green watch (U) Ltd v Uganda Electricity Transmission Company Ltd and Attorney General;[7] the contemporary environmental challenges arising from oil development in the Albertine Graben and the East African Crude Oil Pipeline;[8] and the transboundary implications of environmental degradation within the Nile basin;[9] a structural enforcement deficit, chronic attribution difficulties, and a politically entrenched resistance to compensatory liability collectively undermine the transformative potential of IEL. The article concludes that environmental justice demands not merely incremental normative elaboration but a fundamental reconfiguration of international accountability structures.

References

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Bodansky D, Brunnée J and Rajamani L, International Climate Change Law (OUP 2017)

Birnie P, Boyle A and Redgwell C, International Law and the Environment (3rd edn, OUP 2009)

Guruswamy LD, International Environmental Law in a Nutshell (5th edn, West Academic 2017)

Sands P and Peel J, Principles of International Environmental Law (4th edn, CUP 2018)

Journal Articles

Bodansky D, The United Nations Framework Convention on Climate Change: A Commentary (1993) 18 Yale Journal of International Law 451

Bodansky D, The Paris Climate Change Agreement: A New Hope?’ (2016) 110 American Journal of International Law 288

Kameri-Mbote P, Water, Conflict, and Cooperation: Lessons from the Nile River Basin’ (2007) 4 Law, Environment and Development Journal 1

McDonnell M, The COP27 Decision and Future Directions for Loss and Damage Finance’ (2023) 32(3) RECIEL 416

Naylor A and Ford J, Vulnerability and Loss and Damage following COP27’ (2023) 23 Regional Environmental Change 38

Ruggie J, Business and Human Rights: The Evolving International Agenda’ (2007) 101 AJIL 819

Verheyen R, Loss and Damage, Climate Victims, and International Climate Law’ (2023) Transnational Environmental Law

Bertram D, Transnational Experts Wanted: Nigerian Oil Spills before the Dutch Courts’ (2021) 33(2) Journal of Environmental Law 423

Reports and Other Sources

Advocates Coalition for Development and Environment (ACODE), Oil and Gas Development in Uganda (2019)

Food and Agriculture Organization (FAO), Uganda Fisheries and Aquaculture Sector Overview (2019)

Intergovernmental Panel on Climate Change (IPCC), Climate Change 2023: Synthesis Report (2023)

Ministry of Water and Environment (Uganda), National Climate Change Policy (2015)

Ministry of Water and Environment (Uganda), State of the Environment Report for Uganda 2020

TotalEnergies, Tilenga Project Environmental and Social Impact Assessment Report (2020)

Published
2026-08-16
Section
Article
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How to Cite

EFFECTIVENESS OF INTERNATIONAL ENVIRONMENTAL LAW IN ADDRESSING TRANSBOUNDARY HARM AND PROMOTING ENVIRONMENTAL JUSTICE. (2026). Uganda Pentecostal University Journal of Sustainable Development, 1(2), 1-14. https://doi.org/10.69612/upujsd-2026-21-023

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