Although amicus curiae participation in investor-state arbitration is important in bringing different insights into the settlement of investment disputes, which often involve issues of public concern, little research has been conducted into the extent to which amicus curiae submissions have had the substantial impact on the outcome of the disputes. Using three cases which involved challenges to the host states’ environmental measures as examples, this paper identifies the approaches amici curiae have taken to advance their environmental arguments, and examines whether these arguments have been considered and addressed by arbitral tribunals.

中文翻译：

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保护环境？在投资者与国家之间进行仲裁时，法庭之友意见书的效力

尽管法庭之友参加投资者与国家间的仲裁对于将不同的见解带入解决投资纠纷非常重要，而这通常涉及公众关注的问题，但对于法庭之友提出的意见书在多大程度上影响了投资者的利益，却鲜有研究。争端的结果。以涉及东道国环境措施挑战的三个案例为例，本文确定了友善法院为推进其环境论点所采取的方法，并研究了这些论点是否已由仲裁庭考虑和解决。