Laarnie is one of the five women founders of Luntiang Pamumuhay, Inc., also known as Back to Basics Ecostore, a zero-waste refillery store in Maginhawa, Quezon City in the Philippines. She is a top performer graduate of the Zero Waste Academy Asia Pacific Cohort 2022–2023. She actively engages as a participant or resource speaker in discussions and events focused on environmental sustainability, sharing insights on transitioning to a zero-waste lifestyle and the benefits of reuse and refill systems.