{"podcast":{"title":"Rare Earth","slug":"rare-earth-6755507","podcast_index_feed_id":6755507,"rss_url":"https://podcasts.files.bbci.co.uk/m001vbt0.rss","website_url":"http://www.bbc.co.uk/programmes/m001vbt0","image_url":"http://ichef.bbci.co.uk/images/ic/3000x3000/p0m33c1r.jpg","author":"BBC","episode_count":60,"summary":"Environmental journalist Tom Heap and physicist Helen Czerski tackle major stories about our environment and wildlife, celebrate the wonder of nature and meet the people determined to keep it wonderful.","last_synced_at":null,"page_url":"https://stenobird.com/podcast/rare-earth-6755507"},"episode":{"title":"World of Steel","slug":"world-of-steel","published_at":"2025-09-12T11:58:00+00:00","page_url":"https://stenobird.com/podcast/rare-earth-6755507/world-of-steel","show_page_url":"https://stenobird.com/podcast/rare-earth-6755507","url":"http://www.bbc.co.uk/programmes/m002j631","audio_url":"http://open.live.bbc.co.uk/mediaselector/6/redir/version/2.0/mediaset/audio-nondrm-download-rss/proto/http/vpid/p0m286xy.mp3","summary":"The modern world is built on steel but can it ever be green? Tom Heap and Helen Czerski search for the holy grail of environmentally friendly steel. Panellists: Ed Conway – Sky Economics & Data Editor and Author of “Material World” Will Arnold – Head of Climate Action, The Institution of Structural Engineers Dr Abi Ackerman – Imperial College London Caroline Ashley – Director, SteelWatch Producer: Beth Sagar-Fenton Rare Earth is produced in association with the Open University","meta_description":"The modern world is built on steel but can it ever be green? Tom Heap and Helen Czerski search for the holy grail of environmentally friendly steel. Panel…","key_points":[],"chapters":[],"topics":[],"duration_seconds":3145,"processing_state":"not_requested","actions":[{"name":"request_transcript","method":"POST","url":"https://stenobird.com/v1/public/podcasts/rare-earth-6755507/episodes/world-of-steel/transcription-requests","description":"Idempotently request low-priority transcript generation for this episode."},{"name":"read_markdown","method":"GET","url":"https://stenobird.com/podcast/rare-earth-6755507/world-of-steel.md","description":"Read the agent-friendly Markdown representation of this episode resource."}]}}