Environmental Management Bureau – CALABARZON Region (EMBR4A) celebrated 2022 International Day for Presevation of the Ozone Layer or World Ozone Day with a theme “Global cooperation protecting life on Earth” through a short lecture about the Ozone and a quick audio visual presentation (avp) about the Montreal Protocol on Septemebr 16, 2022 at Brgy. Ibabang Dupay Hall, Lucena City which was the followed by a question and answer portion to check if they really understood the lecture.