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Political leaders are fond of saying we need a Big Australia, but what does that really mean? How long can our beautiful arid land keep supporting more and more people? Do we need to keep growing to pump the economy?
Lish Fejer from ABC local radio interviews Rod from Fuzzy Logic.
During the broadcast, Lish mentions Worldometers which shows startling real-time numbers for world population and other statistics.
A human body is a complicated thing, so it can be really difficult to know what happens when you stuff things - food - into it. We eat so many different things that each interact, and we don't even remember exactly what we ate in a day...let alone honestly tell a researcher.
New Scientist recently ran a story, highlighting the nutrition muddle caused by endless conflicting advice. What are we to make of this?
Dr Nenad Naumovski and Nathan D'Cunha from the University of Canberra join Tom to untangle some of this.
If growth is good, lots of growth must be very good. If we like people, then lots of people must be good, right?
It took 123 years from 1804 to 1927 to add a billion people to the world's population.
Michaeal Bayliss from Sustainable Population Australia talks us through some reasons why we should care. But is that racist? Why not just recycle?
Music we play during the show are from his band Shock Octopus.
Interview by Rod and Tom
This week, Andy is talking with the many wonderful people running events in an around Canberra for National Science Week 2019.
From the publisher's feed