This year, it contains actions that citizens can participate in their daily lives under the theme of “Net zero”. “Net zero” means making the actual amount of cabon dioxide emissions zero as absorbing carbon dioxide as much as we emit.
At 20:30 p.m. on the 27th, the city government will extinguish landmarks such as Seoul City Hall, Hangang Bridge, Namsan Seoul Tower, Sungnyemun Gate, and Lotte World Tower. Large buildings, department stores, hotels, and large shopping malls are encouraged to participate in lights.
This year, it includes Net Zero signature-collecting campaign and the Earth Hour challenge. The Net Zero signature-collecting campaign is that citizens deliver their voices with their online signatures so that governments and companies can take the lead in social realization. The Earth Hour Challenge is a campaign to post images on Instagram that show sustainable lifestyles for the Earth, such as maintaining proper indoor temperatures.