Get rid of Team Leaders/ Managers who clearly can't manage people--Team Leaders who are "stressed out" or Team Leaders who continually tell their team they have led successful teams.
Allow work from home and varied work schedules. Modern technology (GTM, GTA, HipChat) supports this environment.
Unhealthy kitchens. Some people feel privileged to have other people clean their dishes.
Bullies are allowed to flourish in a team environment.