The Economic Mobility Hub at Rindge Commons reaches a milestone; planning boards hear of patches of nature in East Cambridge and a hotel in Somerville’s Inner Belt, where a building has sold for a tidy $9 million; and Alewife zoning is headed for committee.

Leaders of Somerville’s Union Square Neighborhood Council said they have put together a petition to require a City Council public hearing on transparency in city government, mainly on issues around 200 McGrath.