Lunar endeavors are set to experience a substantial increase in the coming years, and interest is growing for long duration human missions on the Moon, in-situ resources utilisation, and commercially-oriented missions. All these expected activities lead to cast a spotlight regarding environmental sustainability, to avoid the same problems faced nowadays with space debris in near Earth orbits, and address new challenges linked with regular activities on the surface of other celestial bodies than Earth. This work aims to inform on the current and lacking guidelines in lunar orbit and on its surface. By comparing them with those for Earth, it is possible to identify the key aspects to which future space actors will have to pay attention to and which they will undoubtedly have to address.