Green Line Extension Delays Explained, Irene on Way, Volunteer this Weekend

Irene on Way: Though it may not hit the Boston area with as much power as first anticipated. Forecasters Thursday predicted a shift in Irene's path, putting it further west. The brunt of the storm is expected to hit Long Island and Connecticut, but high winds and rain are still expected in eastern Massachusetts Sunday.

It's going to take about 4 and 1/2 years to design and build the Green Line extension out to College Avenue and Boston Avenue in Medford, and another two years to sort out businesses displaced by taken land, planners said in a meeting in Somerville Wednesday.

New Neighbor?: Check out this week's and find out if someone new is coming to your neighborhood.

Help Clean Up the Mystic: Head to the old DCR boat ramp at 75 South Street Saturday morning at 8 to help the Mystic River Watershed Association pull chestnuts. More information can be found on their website.

Green Up Clean Up at Tufts Park: It's Grace Church's last Green Up Clean Up of the season. Head to Tufts park at 9 a.m. to lend a hand. Lean more at the Green Grace blog.