Recycling in New Jersey and Pennsylvania is one of those things most of us think we’ve got down until you’re standing over the bin holding something questionable like a greasy pizza box or that random plastic container with no label.

The truth is, Jersey has been ahead of the curve for a long time. Thanks to the New Jersey Mandatory Source Separation and Recycling Act, recycling isn’t just encouraged here, it’s required. But even with that, a lot of us are still doing it wrong without even realizing it.

Why Recycling In New Jersey and Pennsylvania Matters

Between the summer Shore crowds and the year-round population, Jersey and PA produce a ton of waste. Recycling helps cut down what ends up in landfills and keeps things a little cleaner, especially in places we actually care about, like beaches, parks, and neighborhoods.

It also saves resources. When you recycle items like aluminum cans, cardboard, and certain plastics, those materials can be reused rather than made from scratch: less energy, less waste, and, honestly, less guilt when you toss something in the bin.

READ MORE: You're Now Banned From Throwing These 20 Common Items in the Garbage

The Biggest Recycling Mistakes People Make In NJ & PA

Here’s where things get messy. Just because something looks recyclable doesn’t mean it is. One of the biggest issues across the state is “wish-cycling,” which is basically tossing something in the bin and hoping it belongs there.

Stuff like greasy pizza boxes, plastic bags, and certain takeout containers can actually contaminate an entire batch of recycling. That means even the good stuff might end up getting tossed out.

And every town in New Jersey and Pennsylvania can have slightly different rules, which doesn’t exactly make things easier. What’s fine in one county might be a no-go in another.

That’s why it helps to know what not to recycle just as much as what you should. Some of the items that are banned might surprise you.

Did you know you're not allowed to throw these items in the trash?