Examining Environmental Obligations in International Investment Law

International environmental law and international investment law are two important and fundamental disciplines of international law which play a fundamental role in human society today. In fact, one cannot live in societies without these two categories. Economic investments by companies in different countries require legislation and sometimes restrictive legislation. One of these methods is the application of environmental laws which is often overlooked in corporate investments. Every investor should invest with respect for the environment and always base their actions on the environment in their economic calculations. Thus, this research with a descriptive-analytical method will examine the issue of environmental obligations in investments, and in this regard, the article will examine the most important international issues. Research shows that investors often waive environmental commitments, but states can minimize the breach of these environmental commitments by enacting and enforcing strict and restrictive laws and regulations.