In my opinion not always "climate change" but one of the main factor. For me main factor is opportunity to moder human to acclimate for this factores. Yes, clim

In my opinion not always "climate change" but one of the main factor. For me main factor is opportunity to moder human to acclimate for this factores. Yes, climate changes are important but more value is respond for that e.g. better groups organisation, better equipment. In that time if you do not acclimate quick you died