During the 20th century, 90% of population growth took place in countries classified as less developed (LDCs) by the United Nations. It is projected that by 2050 world population will reach 9 billion, mostly due to the exponential growth in LDCs.
To accommodate this population growth, governments in LDCs are planning ways to provide housing, clean water, sanitation services, etc. especially in the slums and squatter settlements on the outside of cities in LDCs where most of this growth occurs.
When doing this, governments are investing in ____________.