Intervale:   n. Regional. A tract of low-lying land, especially along a river.  The Intervale  Center in Burlington, Vermont has three goals: to enhance the viability of farming; to promote the sustainable use and stewardship of agricultural lands; and to ensure community engagement in the food system. Last weekend my husband and I went to Vermont to visit some of my cousins who grew up on a dairy farm in Charlotte. My father also worked on that 300 acre farm…