Today is Earth Day, and fittingly, our guest is environmental scientist and author, HM Waugh. It's highly recommended to listen to this week's episode whilst out on your daily walk. Try and take a break from your regular street and venture out to a new green space. Maybe hug a tree.

Find HM Waugh on twitter and instagram @hm_waugh or at hmwaugh.com

You can find her book here https://www.fremantlepress.com.au/products/the-lost-stone-of-skycity

Particle Podcast is about science and the people who just love it. It's produced and presented by Rose Kerr (@rosie.zkerr). You can find more Particle at particle.scitech.org.au or @ParticleWA on Twitter and Instagram.