What Trees have to do with the Environment Perhaps no image invokes the Berkshire Taconic Landscape more strongly than the brilliant colors that splash across our majestic hills and valleys each fall. Those streaks of color appear because we have so many trees. In fact, in virtually every setting, from the swamps along the oxbows of the Housatonic River to the summits of the Taconic mountains, the dominant vegetation of our landscape is trees. But why are trees here? Why did trees grow in New England and New York, while grasses coat Oklahoma, shrubs cover the tundra, an...