Food is the theme for this year's South Shore Sustainability Expo at the NSCC campus in Bridgewater. The event will showcase the best in local and regional business and community practices for sustainability. A discussion led by a three-person panel from Lunenburg County will also focus on the importance of local food. Co-organizer Andrew Caines says people are feeling the financial crunch and growing your own food can help.This is the second year for the event. The expo gets underway at 9am tomorrow. Full details on the event are available here .