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What's that plastic Halloween costume really made from? What's reverse trick-or-treating? How many pounds of high fructose corn syrup-laced candy corn were shipped to stores last year?

Halloween is a $6 billion per year industry with a wasteful use it and toss it mentality. But that doesn't have to be the case. Make Halloween a sustainable celebration. Not sure how? Test your knowledge in our quiz:

What's Your Halloween's Footprint?