Beppu Global Garden is a space where APU students can experiment with sustainable farming alongside local people and farmers, thereby spreading awareness of the current situation regarding the local environment and agriculture.

Fridays For Future is a global strike movement started by 16-year-old Swedish Climate Activist Greta Thunberg who refuses to go to school out of frustration with the lack of Climate Action. As representatives for the youth generation in Oita Prefecture, with the support from Oita Prefecture communities, ECOS wants to take over this ideal, initiate Fridays For Future Oita, and call for action!

ECOS regularly cleans the beaches and rivers in and around Beppu, collaborating with the KameKame Club, the environmental club of local farmers.

Every July, the Firefly Watching Event is attended by various locals, students, and professors. The cleaned surroundings give endangered fireflies a habitable environment to breed in, thereby increasing their population annually.

 Create and participate in various Eco-workshops conducted by local environmentalists that include making eco-friendly detergent, creating compost toilets, stardom at BGG, and learning how to make EM Bokashi, a natural fertilizer.

Eco Week is organized with an aim to raise awareness of the APU community about the environment and sustainability. The week is based on the concept of Multicultural Week in APU, with several activities including upcycling workshop, cooking class, exhibition, movie screening and panel discussion with APU professors, and volunteering activities at local farms.

ECOS conducts activities with elementary school kids of Oita prefecture to teach them about environmental issues, waste segregation, and eco-friendly methods for daily activities that they can implement in real life.

ECOS organizes field trips to various locations such as the organic farms of local farmers in Oita Prefecture as well as a biomass recycling unit to learn from the local community through practical experience. ECOS APU also collaborates with Eco Blue every year to sell eco-products like bamboo straws and shopping bags as well as handmade detergents.