There won’t be most likely. Many glaciers are already melting at a fast pace already. They aren’t being formed either just melting. They’re shrinking significantly and will probably be gone soon because of climate change. Even glaciers that have been around for millions of years a melting away. :(
It is called surface currents.
The more people that are migrating to urban areas (urbanization) needs more crops for the citizens which causes more people to grow crops and without crop rotating or methods to prevent soil degradation. More likely answer is that more industry grows in the urbanized areas and they have poor management of the soil which causes soil degradation<span />
Across the world, mining contributes to erosion, sinkholes, deforestation, loss of biodiversity, significant use of water resources, dammed rivers and ponded waters, wastewater disposal issues, acid mine drainage and contamination of soil, ground and surface water.