In The Moment ... April 21, 2020 Show 801 Hour 1 As billions of people around the globe stay at home in order to slow the spread of Sars-Co-V2, the novel coronavirus, humans are noticing the way the planet is responding. Today is the 50th anniversary of Earth Day. The global movement was launched in 1970 by a 25-year-old graduate student named Denis Hayes. We live in a very different world than we did in 1970. For today's Earth Day we welcome a team from the South Dakota School of Mines &