<p>As millions of households around the world put up their Christmas trees, we hear from the founder and CEO of US-based company Balsam Hill - one of the world’s biggest artificial Christmas tree retailers. </p><p>Mac Harman tells us about his journey as an entrepreneur, how he's addressing sustainability concerns, and how the company's managing the pressures of tariffs.</p><p>If you'd like to contact the programme, our email address is [email protected]</p><p>Presenter: Ed Butler Producer: David Cann</p><p>(Picture: Mac Harman. Credit: Balsam Hill)</p>