The world is entering a new space race but every new satellite launched into Earth’s orbit runs the risk of colliding with one of the millions of pieces of space junk left behind by previous missions. So how can we solve our space junk problem? Featuring former NASA astrophysicist, Don Kessler; Associate Professor of Aerospace Engineering at the University of Texas at Austin, Moriba Jah; space systems engineer, Richard Duke; and Victoria Samson of the Secure World Foundation

Presenter: Charmaine Cozier Producer: Viv Jones

(A spent S-IVb rocket floats in Earth orbit. View from Skylab Space Station 1973. NASA photo via Getty Images)