The recent record high temperatures in the UK has brought climate change back into the headlines. Seasoned climatologists who knew we'd one day break through the 40C barrier have spoken about being stunned to see it happen so soon. Here at Highclere we're always thinking about what we can do to protect our fragile planet.  With that in mind my guest this month is very much on topic. Rod Rougelot is a good friend who has spent decades working in recycling and sustainability. I found our conversation both interesting and thought provoking - I hope you do too.

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New episodes are published on the first day of every month.