Title
Concerned Citizens of Sta. Cruz, Zambales vs. Paje
Case
G.R. No. 236269
Decision Date
Mar 22, 2022
Residents and environmental groups allege mining operations in Sta. Cruz, Zambales, caused ecological harm, violating their right to a balanced ecology. Despite DENR closure orders, mining resumed, prompting Supreme Court intervention to address unresolved environmental violations.
closure of mining operations
environmental violations
mining companies
A

Case Summary (G.R. No. 236269)

Petitioners' Core Allegations and Requested Reliefs

Petitioners alleged unsystematic nickel mining operations that caused heavy laterite siltation, river and coastal contamination, destruction of ecosystems, air/water/soil pollution, forest denudation, exacerbated flooding, destruction of irrigation systems, loss of agricultural productivity and livelihoods across municipalities in Zambales and extending to Infanta, Pangasinan. They claimed violations of RA 7942 (including Sections 70 and 71), DENR DAO 2010-21, EO No. 192, and duties under the Administrative Code and Local Government Code. Remedies sought included issuance of a writ of kalikasan, a Temporary Environmental Protection Order (TEPO) to enjoin mining operations, and other reliefs such as rehabilitation and enforcement of environmental obligations.

Procedural Posture and Initial Supreme Court Action

Filing, Writ Issuance, and Referral to the Court of Appeals

Petitioners filed a special civil action for a writ of kalikasan in the Supreme Court (docketed G.R. No. 224375). The Supreme Court found the petition sufficient and issued the writ of kalikasan and a directive for verified returns, then referred the petition and the TEPO application to the Court of Appeals (CA) for hearing. The CA docketed the matter as CA-G.R. SP No. 00032 and, separately, issued a writ of continuing mandamus against certain public respondents to compel compliance and required filing of comments.

Administrative and Regulatory Measures by DENR, EMB, and MGB

DENR, EMB, and MGB Administrative Actions and Audits

Regulatory chronology included: EMB Cease and Desist Orders (June 9, 2014) directing cessation of hauling for EMI and BNMI due to heavy laterite siltation; MGB suspension orders (July 15, 2014) ordering ZDMC, EMI, BNMI, and LAMI to suspend extraction and expansion pending compliance with systematic mining rules (e.g., Rule 359, DAO No. 2000-98); EMB temporary lifting of some suspension orders subject to strict conditions (January–February 2015), including formation of EMB-led multipartite monitoring teams, ambient and water quality sampling, contingency plans, sediment monitoring and rehabilitation requirements; a DENR audit (July–August 2016) pursuant to DENR Memorandum Order No. 2016-01; and DENR cancellation orders dated February 8, 2017 directing closure by canceling Mineral Production Sharing Agreements (MPSAs) for certain mining companies after findings of violations.

Court of Appeals Proceedings and Disposition

CA Ruling Denying Writ and TEPO on Grounds of Mootness

In its May 22, 2017 Resolution, the CA denied the petition for writ of kalikasan, denied the application for TEPO, and denied the urgent motion for ocular inspection. The CA based its disposition on the DENR Closure Orders dated February 8, 2017 that cancelled the respondents’ MPSAs and effectively closed operations; finding that closure removed any ongoing unlawful acts or omissions by the mining companies that could cause actual or threatened violation of petitioners’ constitutional right to a balanced and healthful ecology. The CA also noted the DENR-led audit’s findings and deferred to DENR’s technical determinations and primary jurisdiction on environmental enforcement. The CA lifted the prohibitory writ of kalikasan issued by the Supreme Court. The CA denied petitioners’ motion for reconsideration in a December 14, 2017 Resolution.

Positions of Parties on Mootness and Other Contentions

Parties' Arguments Before the CA and Supreme Court on Mootness and Merits

Public respondents (through the OSG) contended the DENR closure rendered the TEPO and writ claims moot and that remedies sought were addressed administratively; the OSG also raised forum shopping concerns. Mining companies largely argued cessation or suspension rendered the petition moot, or contested factual findings and procedural due process before administrative cancellation. Petitioners countered that closure orders could be temporary or “paper victories” if not implemented, that the CA had abdicated its duty to monitor enforcement and compliance under the Rules of Procedure for Environmental Cases, and that ocular inspection remained necessary because operations allegedly continued despite closure and suspension orders. Petitioners emphasized persistent environmental harm and the need for judicial oversight, including rehabilitation remedies distinct from damages.

Supervening Events and Developments After CA Resolution

Subsequent Administrative Developments Affecting Justiciability

After the CA resolutions, respondents sought and obtained administrative reviews and stays: several mining companies appealed closure orders to the Office of the President (OP), which issued a Stay Order (March 15, 2017) on the DENR cancellation; subsequent DENR actions included lifting or setting aside the February 8, 2017 closure orders for some companies (e.g., LAMI, ZMDC, BNMI, EMI) through memoranda and resolutions between 2019 and 2021 as manifested by the OSG. The OSG and some respondents reported that mining operations had resumed following these lifts and pending administrative appeals. Petitioners repeatedly manifested they had reason to believe operations and hauling continued despite cancellation orders.

Legal Standard for the Writ of Kalikasan

Nature, Requisites, and Remedial Purpose of the Writ of Kalikasan

The writ of kalikasan is an extraordinary special civil action under the Rules of Procedure for Environmental Cases, designed to protect the constitutional right to a balanced and healthful ecology where environmental damage transcends political and territorial boundaries. Its requisites include: (1) an actual or threatened violation of that constitutional right; (2) that the violation arises from an unlawful act or omission by public or private actors; and (3) that the violation involves environmental damage of such magnitude as to prejudice the life, health or property of inhabitants in two or more cities or provinces. The remedy is intended to provide stronger judicial relief where institutional enforcement has been inadequate and to address large-scale ecological threats.

Supreme Court’s Analysis on Mootness and Justiciability

Court’s Determination That the CA Decision Was Premature Due to Supervening Events

The Supreme Court concluded that the CA’s dismissal on the basis of the February 8

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