This is the second year that the committee has approved a 3 per cent increase.
The €52 million development will include an open-plan courtyard as well as the College health and disability services.
Representatives from all major political parties spoke tonight at a debate organised by Trinity College Dublin Students’ Union.
The Green Flag, which is up for renewal this year, will not be awarded if students do not do more to engage with the issue of sustainabilty.
The committee will be elected at an EGM next Thursday.
In Times Higher Education rankings, Trinity is ranked 87th in the world, the first, and only, Irish university to rank in the top 100 for life sciences.
The union will work with the Environmental Society to call on Trinity to cease its €6 million investment in oil assets.
A motion on a student-led 1916 centenary initiative passed by a wide margin tonight.
The motion was conceived collaboratively between DU Amnesty and the union’s International Students Officer.
Karen McCord was elected as Environmental Officer after a contentious debate regarding a motion proposing to remove the position.