Don't leave the lights on when you go — not if you want to keep your earth-loving friends happy.
A Pew study found some Americans get upset when they see other people waste natural resources.
SEE MORE: Our Oceans Are Littered With Trash — Here's How We Could Fix It
As for people who view themselves as environmentally conscious, not surprisingly, they're way more bothered than the average American when others waste resources.
Here are some of the wasteful behaviors that irritate Americans the most: leaving lights and electronics on, throwing away things that could be recycled and putting trash in recycling bins.
