There are many good reasons why getting outdoors is actually healthy for your mind. Now the video does start a bit slow our host talks about going out in the desert and talks about how pretty it is. Yeah it can be beautiful but you were coming for the information as to why parks and getting outdoors is actually good for you.
Higher life satisfaction
Feel happier when they are in a natural enviroment
People are also happier just thinking about nature
Yeah people like nature picts and do even better when they are actually better when they are in nature
The host of the video also talks about how we may have developed to feel safer in resource-rich environments because we were not lacking food as much.
Then there is the the Attention Restorative Theory this is the 3 day affect you experience
Then there are experience you had as a child when you were outdoors.
There is the forrest bathing
Then there are actually therapies that involve getting out into the wilderness and they are saying that there is some effect on kids who often have problems.