See ESC right:

Environment, healthy

Relevant ICESCR Articles:

01(2): All peoples may, for their own ends, freely dispose of their natural wealth and resources without prejudice to any obligations arising out of international economic co-operation, based upon the principle of mutual benefit, and international law. In no case may a people be deprived of its own means of subsistence.

11(1): The States Parties to the present Covenant recognize the right of everyone to an adequate standard of living for himself and his family, including adequate food, clothing and housing, and to the continuous improvement of living conditions . The States Parties will take appropriate steps to ensure the realization of this right, recognizing to this effect the essential importance of international co-operation based on free consent.

12(2)(b): The steps to be taken by the States Parties to the present Covenant to achieve the full realization of this right shall include those necessary for:
(b) The improvement of all aspects of environmental and industrial hygiene;