SNSD Yuri express her support for 'Blue Sky Day'

SNSD Yuri Blue Sky Day

What is  'Blue Sky Day'?

Blue Sky Day or the International Day of Clean Air for Blue Skies is a campaign aiming to raise awareness about air pollution and climate change.

In Korea, they have designated September 7 as Blue Sky Day and here is SNSD's Yuri showing her support and informing everyone about this campaign~