Aoi Are 당신 concerned about environmental issues?
Ruki: Those car gasses pollutes the air.
Uruha: I'm using travel/re-usable chopsticks now to fight global warming.
Aoi: Not at the moment. We'd cure the environment if people go back to living the primitive way.
Reita: To help decrease CO2 in the air- don’t use chopsticks at all!
Kai: Global warming!! Every single person should do their part to help the environment!