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