If you've been crushing cans of seltzer an at-home carbonator can slash your monthly spend. Before you hulk-smash another can, read this and learn why it's better to just leave it alone. So you think ...

You toss that greasy pizza box into the blue bin. Feels good, right? You think you're doing your part for the environment. Here's the thing though. That single act might have just ruined an entire ...