The podcast episodes illustrate how trees and urban agriculture can offer significant environmental benefits in city ecosystems.

The 'Brains On! Science podcast for kids' episode 'Smarty Pass Sneak Peek: Rhyme or Reason' explores the specific ways trees can absorb carbon dioxide and clean the air, presenting this information in an engaging, educational way through rhyming couplets.

The 'The Food Chain' episode 'Detroit's urban farmers' discusses how urban farming initiatives are transforming vacant lots into community gardens and farms, providing fresh produce while also promoting sustainable food production in urban areas.

The 'Getting In the Loop: Circular Economy | Sustainability | Closing the Loop' episode 'How Policy Can Help Create a More Circular Economy with Leonidas Milios' examines how policies can support a circular economy by encouraging product repair and reuse, which can also reduce resource extraction and energy consumption, leading to environmental benefits.