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Vintage vehicles exempted from clean-air standards. IN Dear Pao [column]
Published in Manila Times (2025)Article -
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Marcos cites need to address plastic pollution with modern technologies
Published in Manila Bulletin (2025)Article -
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Act with expediency before plastic drowns us. IN Editorial [column]
Published in Manila Bulletin (2025)Article -
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Every one can contribute in campaign to end plastic use. IN Editorial [column]
Published in Manila Bulletin (2024)Article