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