Section 4. Presidential Proclamation of Environmentally Critical Areas and Projects. —

The President of the Philippines may, on his own initiative or upon recommendation of the National Environmental Protection Council, by proclamation declare certain projects, undertakings or areas in the country as environmentally critical. No person, partnership or corporation shall undertake or operate any such declared environmentally critical project or area without first securing an Environmental Compliance Certificate issued by the President or his duly authorized representative. For the proper management of said critical project or area, the President may by his proclamation reorganize such government offices, agencies, institutions, corporations or instrumentalities including the re-alignment of government personnel, and their specific functions and responsibilities.

For the same purpose as above, the Ministry of Human Settlements shall: (a) prepare the proper land or water use pattern for said critical project(s) or area (s); (b) establish ambient environmental quality standards; (c) develop a program of environmental enhancement or protective measures against calamituous factors such as earthquake, floods, water erosion and others, and (d) perform such other functions as may be directed by the President from time to time.