Human sustainability means maintaining human capital. Human capital is a private good of individuals, rather
than between individuals or societies. The health, education, skills, knowledge, leadership and access to services
constitute human capital. Investments in education, health, and nutrition of individuals have become accepted as
part of economic development
ž As human life-span is relatively short and finite (unlike institutions) human sustainability needs continual maintenance
by investments throughout one’s lifetime
ž Promoting maternal health and nutrition, safe birthing and infant and early childhood care fosters the start of
human sustainability. Human sustainability needs 2–3 decades of investment in education and apprenticeship to
realize some of the potential that each individual contains. Adult education and skills acquisition, preventive and
curative health care may equal or exceed formal education costs
ž Human capital is not being maintained. Overpopulation is intensifying and is the main dissipative structure worsening
per capita indices. That is far graver than overcapitalizing education so that laborers have PhDs