As someone who works on urban agricultural policy, I'm often asked, "Is city-grown food safe?" The question comes from aspiring urban gardeners and concerned eaters alike. And it seems to stem from both a fear of the known and a fear of the unknown. First, the fear of the known: Common urban contaminants include lead, arsenic and other heavy metals leaked into soil from old…

On Tuesday, Congress returned to Washington with only 11 days to pass essential legislation: the reauthorization of all major national transit and highway projects and the gas tax that funds them. Stalemate or delay will cost billions of dollars and millions of jobs, shutting down highway and transit construction projects nationwide and putting hundreds of thousands of Americans out of work in the midst…

Our latest SPUR Report, Seeking Green, takes a hard look at the many factors that make funding San Francisco’s parks so difficult: diminishing public funds, political forces that prevent raising new revenues and, more recently, a recession of historic proportions. How can the Recreation and Parks Department navigate these competing pressures to maintain services and care for our parks? Our task force found 11 ways to save San Francisco’s parks, from stabilizing public financing to strengthening philanthropy to expanding revenue opportunities.

With two different pension-reform measures on the upcoming ballot, it’s no secret that pension reform will have a significant impact on the November election. But how did the city get to the point of having a problem of this magnitude? Clearly the recession has played a big part, but what about the many negotiated increases in benefits over the course of the last decade? While…