working on is ane initiato generate zero waste in the city, and that's big because wh you put trash at landfills, it generates methane which is much more ponthan carbonmo oxide. other cities joined in that initiative to try to commit to zero waste which ey probably won't do anytime soon, but it's a very admirable goal. >> as a whole, do the local initiatives r enough? do they have quantifiable goals, many of them, orst are they j sort of, you know, paying lip service almost to the cause? >> well, it's definitely not lip service, but it's also not far enough. one of the real features of the summit was to learn from one city to the next. singapore does something really innovatn electric vehicles, having on-road charging for them, so you can pay y withr easy pass kind of thing. another city has a program to invest in urban infill agriculture. one place needs to learn from the other. that's what the summit is getting done. as california hasnd exceeded its goals -- in fact, california met its 2020 goal 3 1/2 years early. so california is now down to about 1.1% of global emissions. so this summit is really an effort to partner, and so i spent a l