The environment significantly impacts where people choose to settle. Climate is a major factor; many prefer warmer areas for comfort. Poverty and war deter settlement due to safety concerns and the risk of being drawn into conflict or economic hardship.
you don't want to move to a place where there is a lot of war or poverty or you might be put into poverty or sucked into a war you want to be safe and happy where you are
wether
storms and snow and rain are all examples of weather they are not climate but they can have a big effect on where people live. weather can be really destructive.
illness
you don't want to live in a place where there is a lot of deadley illnesses that spead quikley
natural desesters
tsunamies, tornados, hurricanes, earth quakes, forest fires, they all cause a lot of damage and kill so many people, so people don't want to live where they are in constate threat of natural desasters.
I think all of these things were important when the ancestors of this world built stuff where they did because back then the environment affected them a lot more than it affects us now. but I think now one of the biggest ways the environment affects us now is the natural disasters that happen all over the world because those cause a lot of problems.
veggietation
what plant life they eat depends on what grows there so if they have drought of floods that can kill off all the plant life driving away the animals and leaving them to starve
animals
what meat they eat depends what animals are living there
so that will depend on where people settle if there are not enough animals to feed them they will starve
land forms
how the land is if the land is full of nutirences people will want to farm there, if the land has tall icey moutains or extreamly cold weather they might not want to live there,
climate
what the normal weather cycle is like, a lot of people like warm weather so they live in warm climate areas.