Before you bring the cardboard to your nearest recycling center or put it in a bin for pickup, break the boxes down so that they're lying flat.

According to the St. Charles County recycling center, 1 billion trees' worth of paper is thrown in the trash annually, in the US alone.I spoke with some recycling experts and here's what I found ...

Throwing dirty pizza boxes in the recycling bin. Pizza boxes might seem perfect for recycling—it's a big piece of cardboard, just asking to be turned into next week’s toilet paper—but the ...