When did Catalyst Season 21 Episode 5 air?
Catalyst Season 21 Episode 5 aired on May 12, 2020.
Catalyst
Catalyst is Australia's premier science investigation series. Each week the team brings you stories from Australia and around the world, meeting scientists at the forefront of discovery.
Season 21 · Episode 5
Building Greener Cities
May 12, 2020·30m
As our populations grow, cities are under increasing pressure. Physicist Dr Niraj Lal explores engineering solutions designed to make our cities cleaner, greener and more efficient places to live.
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How long is Catalyst Season 21 Episode 5?
This episode runs for approximately 30 minutes.
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