<p>The climate challenge may seem insurmountable at times. So, it&rsquo;s important to look at what is needed but also where we&rsquo;ve come from. Jack Board and Liling Tan do a planetary health check, and talk through some positive stories, warning signs and personal tips to help the Earth.</p><p>See <a href="https://omnystudio.com/listener">omnystudio.com/listener</a> for privacy information.</p>