Leave part of the yard rough. Don't manicure everything. Small children in particular love to turn over rocks and find bugs, and give them some space to do that. Take your child fishing. Take your child on hikes.
We are telling our kids that nature is in the past and it probably doesn't count anymore, the future is in electronics, the boogeyman is in the woods, and playing outdoors is probably illicit and possibly illegal.
Mothers tend to be more direct. Fathers talk to other fathers about their kids more metaphorically. It's a different way of communication.
Time spent in nature is the most cost-effective and powerful way to counteract the burnout and sort of depression that we feel when we sit in front of a computer all day.