Official documents:

General Principles

English

Commission - Precautionary Pr.

2000 Communication from the Commission on the Precautionary Principle

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Council - Precautionary Pr.

2000 Council Resolution on the Precautionary Principle

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UNESCO - Precaution

World Commission on the Ethics of Scientific Knowledge and Technology, The Precautionary Principle, UNESCO, 2005

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EC-Polluter Pays Principle

Recommendation 75/436/Euratom, ECSC, EEC 1975 Regarding Cost Allocation and Action by Public Authorities on Environmental Matters

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