James Shaw will stick around to back a last piece of legislation before quitting politics.  

The Greens Co-leader's announced he will stand down in March but remain an MP to back his Sustainable Environment Bill's first reading.  

Political Editor Jason Walls said that as far as resignations go, this was pretty lukewarm. 

He said that Shaw made it known after the election that he was going to be shepherding the party to the point where he would no longer need to be co-leader, and someone else could step up. 

Walls said that since he’s stepping down after the Sustainable Environment Bill leaves the house, it’s up to the other MPs in Parliament to determine when he’s stepping down. 

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• James Shaw resigns from Greens co-leadership