exciting and interesting for me on this particular award is that there were past commissioners, ruth gravanis, who was such a passionate champion about biodiversity and about the need for green roofs that every time we talked about a green roof as being a roof that had solar panels on it, she would say it needs to be considered both. and the planning department was thrilled at that, as well because it had been something near and dear to their heart, as well. so this is something that the commission on the environment, the planning commission, and then, the two departments worked hand-in-hand to form a first in the nation policy that has become a model nationally, and so it's time to celebrate and acknowledge the power of what we can do, all of us together. so with that, why don't you come up. >> good evening. i'm jeff jazzlene. i'm with the san francisco planning department. i'm here to provide an update on the san francisco better roofs ordinance which requires solar panels or gardens on certain roofs since october 2017. i'm joined by barry hooper, primary orchestraitor of a number of the ke