Precautionary, Preventive Action, Priority Rectification at Source and Polluter Pays: Core Principles of Environmental Liability
Precautionary, Preventive Action, Priority Rectification at Source and Polluter Pays: Core Principles of Environmental Liability

Summary/Abstract: This article explores the foundational principles that underpin the legal framework of environmental liability: the precautionary principle, the preventive action principle, the principle that environmental damage should be rectified at source, and the polluter pays principle. The study provides a critical analysis of their genesis in international legal instruments and examines how they have been transposed and operationalized within the legal frameworks of the European Union and Portugal, with a particular focus on Directive 2004/35/EC on environmental liability. It further examines the transposition of these principles into Portuguese law, evaluating their normative content, legal implications, and practical application. Drawing upon a systematic review of legal literature and pertinent jurisprudence from international and Portuguese courts, the article analyses the interpretative challenges and enforcement dynamics linked to these principles. It contends that the sound application of these principles is crucial not only for safeguarding the environment but also for enhancing legal certainty, economic responsability, and intergenerational equity. The article ultimately contributes to the ongoing scholarly debate on the effectiveness and justiciability of environmental principles in contemporary legal systems.

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