ecosystem management

  • In terms of evolution and population dynamics, Covid-19 is a good disease. It predictably and consistently removes the old and weak. Something like Polio is bad, as it randomly hits the young and healthy. Continue reading

  • Managing The Flow

    If we allowed water to flow freely, we would experience more frequent and destructive floods and droughts. To protect ourselves we build dams, levies, and dykes. Along with these, we use aqueducts, locks, and pipelines to manage the flow of… Continue reading