Over the course of the past few millennia, people have developed methods to extract metals and other substances from rocks and sediments. The copper in pots, for example, comes from copper ore. This lecture looks at several valuable materials and shows how our modern built environment relies on them, but that this reliance has consequences for our planet.

Speaker: Stephen Marshak

Please click this URL to join. https://illinois.zoom.us/j/95657537397?pwd=UDdUdFF0UWNXa1F5d2NXZHUzOXkwQT09

    Passcode: 293296