CYNTHIA A. VILLAR, FORMER MEMBER, HOUSE OF REPRESENTATIVES, LONE DISTRICT OF LAS PIÑAS CITY [SUPPORTED BY THREE HUNDRED FIFTEEN THOUSAND EIGHT HUNDRED FORTY-NINE (315,849) RESIDENTS OF LAS PIÑAS CITY], PETITIONERS, VS. ALLTECH CONTRACTORS, INC., PHILIPPINE RECLAMATION AUTHORITY, DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES, ENVIRONMENTAL MANAGEMENT BUREAU AND CITIES OF LAS PIÑAS, PARAÑAQUE, AND BACOOR, RESPONDENTS