There are times when the very fabric of society seems to be unraveling, and this is certainly one of them. San Bernardino, Orlando, Dallas, Nice. Oscar Grant, Michael Brown, Philando Castile, Alton Sterling. How are those of us who think about cities to understand this moment?

When people want to know what can be done to change centuries of institutional racism and socialized prejudice, I want them to know my experience as a White mom to Black kids. As Americans, we are all socialized toward bias. In my experience you can change your part in it, and it is critically important for White people to take responsibility for doing so.

On July 7, more than 2,000 people marched peacefully in Oakland to protest police killings of innocent civilians in other parts of the country. In a city that is changing quickly, and where tensions run high, a peaceful protest is worth noting. We must pay close attention to the reasons people were marching — and work as hard as we can to fix the causes.

On June 29, more than 80 Bay Area media organizations contributed to an unprecedented wave of coverage on homelessness. SPUR, together with HandUp, hosted an evening forum, “Housing, Homelessness and the Way Forward for San Francisco,” to report on the challenges the city faces, uncover solutions and inspire action.

San Francisco Supervisor Aaron Peskin recently introduced an ordinance to allow new “in law” housing units across San Francisco. Soon afterward, supervisors Mark Farrell and Scott Wiener introduced a proposal that’s similar but slightly less restrictive. We’re thrilled to see proposals to increase the city’s housing supply moving forward. Now it’s going to be important to get the details right.