In the spirit of World Environment Day, from May 4^th, 2021 to October 5^th, 2021, OU Green Plus, HCMCOU organized a series of meaningful environmental activities to celebrate and spread to the university's student community in particular and the city-wide student community in general about the learners' sense and beautiful actions in their responsibility to protect the environment for the time of activities’ sequence taking place.

Starting with the "OU Thanks" campaign, which took place from May 4 to 14, 2021. A large number of students responded to this activity by manually organizing and cleaning the classroom landscape after each lesson. By this specific small action, the participating students are aware of the value of their labor, the awareness that keeping public hygiene is protecting the health of themselves and the community. On this occasion, the students sent gifts to express their gratitude and respect to the janitors at HCMCOU.

Minigame "Deciphering the Green journey" from May 9^th to May 11^th, 2021 has recalled the beautiful images of the journey of action for nature and environmental protection of OU students and OU Green Plus volunteers. The recognition creates more motivation for students and volunteers to continue accompanying HCMCOU and OU Green Plus Club in environmental protection and community service activities in the future.

Continuing with the series of activities, the OU Green Plus club has launched a photo contest "Share your Green" with a school scale from June 10^th to June 16^th, 2021, encouraging students to practice Green lifestyle through 7 challenges given by the Organizing Committee to spread their sense of responsibility towards the environment, by changing from the smallest and most practical actions. The contest received nearly 3,000 hits.

With that spirit, from June 2^nd to June 20^th, 2021, the OU Green Plus club organized an online exhibition with the theme "Beautiful" and the message "Sow Consciousness - Receive the Future". With 3 main themes: "Sac", "Thanh Sac" and "Hoa Nien Sac". Along with that, the OU Green Plus club is also very honored to receive the sponsorship of photo sets by Artist Photographer Hoang Thach Van - Member of Standing Committee of NSNA Vietnam Association. After the online exhibition, there was one more minigame about "Sac". The online exhibition is a silent affirmation of Green's mission: Continuing to propagate and provide knowledge about environmental protection to a large number of the student inside and outside the school. Raising awareness of protecting the beauty of nature, culture, and people.

Not only communicating through articles, images, and videos. OU Green also organized the talk show SWITCH "Sow Consciousness - Get the Future" on an online platform via zoom and broadcasted live on Fanpage OU Green Plus on August 15^th, 2021. Guests attending the talk show were Assoc. Prof. Dr. Nguyen Dinh Quan - Head of Biofuels and Biomass Laboratory, Lecturer of HCMC University of Technology, MSc. Duong Nhat Linh - Lecturer of Faculty of Biotechnology at HCMCOU and Ms. Le Thi Dien - Chairman of the OU Green Plus Club shared content to raise students' awareness, form proper behavior towards the environment and received a lot of positive feedbacks from many students.

The series of activities organized by OU Green Plus had taken place effectively and partly spread to the community about its responsibility in environmental protection as well as raising green consciousness. Along with that, the activities also provided students with useful playgrounds, so that they can unleash their creativity and gain more knowledge about the environment.