Many food containers seem recyclable, but they really aren't. Here's what to put in the recycling bin and what you should avoid. David lives in Brooklyn where he's spent more than a decade ...

You may not give a lot of thought to what happens to your plastic bottles or cardboard boxes after setting them in the recycling bin – or think they have anything to do with global trade wars.

So, what makes plastic recycling so difficult? As an engineer whose work focuses on reprocessing plastics, I have been exploring potential solutions. In cities that use single-stream recycling ...