An Examination of the Impact of Precautionary Principle in Cross-Sectoral Trade-Environment Dispute Settlement on the Unity of International Law

International law has developed via conclusion of specialist agreements in diverse fields like international environmental law and international law of trade. However, this development has been accompanied by the worries about fragmentation of international law since in cross-sectoral trade-environment dispute settlement, due to divergent goals of these two regimes, the dispute settlement bodies may be biased and settle the dispute to their own benefit. The present article is to, via the examination of environment-trade disputes, introduce the impact of different application of environmental precautionary principle in international law regime, as a challenge to the unity of international law.