Three vacant spaces in Harvard Square will be filled by summer with largely familiar restaurants – including a brand-new one that promises to respect the three-decade legacy of its predecessor.

There will be no change in taxi fares to the airport when the Callahan Tunnel closes for repairs Dec. 27 to March 12 – one of the first commission decisions led by a state Department of Transportation alum.

Two residential buildings, one in Kendall Square and the other in Central Square, are each a tiny step closer to becoming a reality. But the Central Square project is drawing concerns about parking and aesthetics.

Two Harvard Square area restaurants with claims of difficult locations are looking to add features to help keep up in Cambridge’s competitive dining scene.

The Friendly Toast in Kendall Square and Grendel’s Den in Harvard Square face changes around them, but the two staple Cambridge eateries will remain the restaurants you’ve grown to love.

The creation of “medical marijuana overlay districts” in NorthPoint and Fresh Pond was approved Tuesday by the Planning Board, with members saying some of the rules imposed on marijuana dispensaries by the state are too strict.

The goal of a net-zero-emissions Cambridge has been embraced by City Manager Richard C. Rossi, with a timeline and task force structure ready for approval Monday by the City Council.

Beefing up police details in Central Square when its nightclubs and bars let out and adding security inside has succeeded in taking the heat off the owner of Moksa, a tapas restaurant, and Naga, its attached lounge. But license commissioners call it just a start.

Establishments serving liquor that launch during harsh New England winters will no longer get a bonus for their timing.

Potty Mouth’s full-length debut “Hell Bent” comes long after their gigs at Somerville’s PA’s Lounge and The Middle East Upstairs, and the Northampton punk quartet already has an album’s worth of new songs ready to go.