New York City’s current Green Roof Tax Abatement (GRTA) Program is the result of an ongoing 13-year stakeholder advocacy effort. A GRTA working group is helping to advocate for improvements to the program which will increase program uptake and green roof benefits.

A grass-roots climate action group powered by the volunteer efforts of moms dared to imagine what Cambridge, MA could become if its rooftops were transformed by pollinator-friendly gardens, meadows, and a farm or two.