In 2011 a few players in Ghent's cultural sector underwrote the declaration of commitment drawn up by Greentrack, the transitional netwerk for the arts in Ghent.

NUCLEO signed in 2012 the Greentrack charter. Through collaboriation and exchange of expertise the ecological footprint of the cultural sector is being reduced. This fits in the climate alliance of the City of Ghent to make Ghent climate neutral until 2050. Greentrack Ghent wants to be the motor of a sustainable cultural sector and maintain a long term project for a social and ecological sustainable future.