Summer is here, complete with funnel cakes and corn dogs, hair-raising roller coasters and water-soaked rides. Of course, theme parks don't usually spring to mind when talking about sustainability. In fact, some of the earliest roller coasters were used to deliver coal. But modern theme parks have come a long way, and a couple of eco-themed parks are even in the works, boasting environmental literacy centers and conservation programs alongside rides and games of chance. Consumer demand and a need to cut costs have driven the green theme park trend.
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