Too Many Trash Cans
What's the deal with lining the driveway with trash cans, and yet the United States has the highest litter rate in the world? People in Japan will walk with their trash for blocks if they're out and about and don't see a trash can. We could learn a thing or two about how other countries conserve their ecosystems.
Overly Confident
So many Americans can argue themselves until they're blue in the face. However, that doesn't always mean they're right. Overconfidence often comes off as arrogance, and it wouldn't hurt to just listen and make informed decisions.