Look around you. Your environment is defined for you largely by what you see around you and hear about.
Here are some common sources:
Let me suggest an exercise for you. All you need is a sports counter and a determination to track everything negative in your environment.
Click the sports counter each time you see or hear anything that you feel is detrimental.
Try this for one full day. You may end up horrified at the results when you examine your counts at the end of the day.
Do write about your findings in your comments about this post.
In my next post, I will be writing about how to tackle this problem.