Psy uploaded a video to help support GCF.

Psy uploaded a video to help support GCF in making the city of Songdo the GCF host city.

He also held the Global Climate Fund Secretariat in Songdo to help GCF.

Psy also commented in the video that some parts of his "Gangnam Style" music video was also shot in Songdo.

Psy also made this promotional video for GCF for free and stated that he hoped that Songdo would become GCF's host city.

Psy has recently become a global sensation with his song, "Gangnam Style." He has ranked number 1 on iTunes in 30 countries and has ranked number 2 on the U.S. Billboard main single chart HOT 100.

He has also reached 400 million views on YouTube with his music video for "Gangnam Style."

He has appeared on many shows such as the "Ellen Show" and "SNL" and featured on news programs such as NBC and CNN.

He has also recently signed a contract with Justin Bieber's agency and plans to release his first U.S. single sometime in November.