Coun Alison Teal, who represents the Green Party, was one of seven protesters arrested over a demonstration staged in Chippinghouse Road, Nether Edge, when council contractors arrived to fell a horse chestnut yesterday.
Coun Teal was one of four women and three men arrested under trade union legislation which is intended to stop people preventing others from working.
Trees are being felled across Sheffield as part of a city-wide road and street improvement programme.
Two protesters arrested last year over a similar demonstration on Marden Road, Nether Edge, are due to go on trial at Sheffield Magistrates' Court on March 9.
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