Lopez is an environmentalist and has initiated Bantay Bata 163, the country’s first media-based hotline. In 1997, Bantay Bata was the United Nations Grand Awardee for Excellence besting 187 countries. She qalso spearheaded Bantay Kalikasan, for which she received the 1997 International Public Relations Award of Excellence for the Environment and Outstanding Manilans Award for the Environment, 2009. For Sineskwela, Lopez was honored with the Unesco Kalinga Award, the first Southeast Asian to earn this distinction. She is also the Vice-Chairperson of ABS-CBN Bayan Foundation, and the Chairman Emeritus of Southeast Asian Children’s Television. Lopez also initiated the rehabilitation of the Pasig River and its tributaries, one of the most polluted and toxic river systems in the Philippines today. She also launched the “Save Palawan Movement” along with partner organizations. She passed away on 19 August 2019.