batch-1791054093 1791054093 Global Insights Law Journal publisher@gilawjournal.com Global Insights Law Journal Global Insights Law Journal 3141-5717 2026 1 3 Olusola Rex Nigeria possesses an extensive body of constitutional, statutory and institutional rules directed towards environmental protection. Yet persistent oil pollution, gas flaring, ecological degradation, inadequate remediation and weak enforcement in the Niger Delta demonstrate a substantial disjunction between environmental law on the books and environmental law in operation. This article examines that disjunction through the concept of legal capture of environmental institutions. It argues that the principal difficulty confronting environmental governance in Nigeria is not simply the absence of laws or regulatory institutions, but the distortion, weakening or selective implementation of those laws through institutional dependence, political influence, regulatory fragmentation, economic interests and inadequate accountability. Particular attention is given to section 20 of the Constitution of the Federal Republic of Nigeria 1999 (as amended), section 13, section 6(6)(c), the fundamental rights to life and dignity, the Environmental Impact Assessment Act, the National Environmental Standards and Regulations Enforcement Agency Act, the National Oil Spill Detection and Response Agency Act and the Petroleum Industry Act 2021. The article contends that section 20, although located within Chapter II and subject to the constitutional limitations on direct judicial enforcement of Fundamental Objectives and Directive Principles of State Policy, should not be treated as a legally irrelevant aspiration. Read purposively with section 13, Chapter IV, the African Charter on Human and Peoples' Rights and Nigeria's international environmental commitments, it constitutes an important constitutional standard for evaluating governmental environmental performance. Comparative lessons are drawn from Ghana, South Africa, India, the United Kingdom, the United States, Norway, Canada and Zambia. The article concludes that reform requires more than additional legislation: it requires institutional independence, clearer allocation of regulatory functions, enforceable environmental standards, public-interest litigation, transparent monitoring, community participation, effective sanctions and judicial willingness to scrutinise regulatory failure. It proposes a model of constitutional environmental accountability capable of reducing legal capture and strengthening environmental justice in Nigeria's oil-producing regions. 2026 9 11 10.67588/0002 https://gilawjournal.com/article/legal-capture-of-environmental-institutions-analysing-enforcement-failures-and-reform-strategies-for-sustainable-environmental-governance-in-niger-delta Legal capture environmental governance Niger Delta section 20 constitutional environmentalism enforcement failure environmental justice regulatory capture petroleum regulation sustainable