Memory Memoria: Ser Humano y SustentabilidadVersion en ligne Descubre conceptos clave sobre la relación entre el ser humano y la sustentabilidad. par HECTOR GARCIA Life expectancy was around thirty years. We grow to be four inches taller than we were just 250 ago. There were no toilets. The enrichment of the last centuries is the hockey stick of human prosperity Smallpox was eradicated in 1977. They made a lot of their own clothing. The astonishing growth in prosperity is one of the greatest events ever. One in four kids would die before the age of 5. They grew most of their own food. Streets and alleys were open sewers. Today we expect to live to be about eighty. The filth was horrible and often toxic. Today it is more like 1 in 200. Everything was infested with insects and rodents. Our ancestors ate gruel They wore the same home-made underwear over and over. Most of our ancestors lived in huts with dirt floors and thatched roofs. They built their own dwellings.
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