<p>Broadcast date: Tuesday 1 June 2010</p>

Julian Bickersteth on conserving Earth's most precious objects

Catch up on all the thought-provoking interviews with authors, writers, artists, politicians, psychologists, musicians, celebrities, survivors and more from the daily ABC radio show and podcast 'Conversations' with Richard Fidler and Sarah Kanowski from the years 2009-2011. To binge even more great episodes of the 'Conversations podcast' with Richard Fidler and Sarah Kanowski go the ABC listen app (Australia) or wherever you get your podcasts. There you'll find hundreds of the best thought-provoking interviews with authors, writers, artists, politicians, psychologists, musicians, and celebrities.

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Julian Bickersteth on conserving Earth's most precious objects

Julian Bickersteth on conserving Earth's most precious objects