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Climate change can feel abstract, fractions of degrees, emissions pathways, 2050 targets. But in the oceans, the changes are already violently visible.
Prof. Simon Donner (University of British Columbia) has spent his career at the intersection of climate science, coral reefs, adaptation policy, and communication. In this episode, he explains why coral reefs are the most sensitive climate indicator we have, and why their collapse tells us more about our future than any global temperature graph.We cover:👉🏻 Coral bleaching mechanics: Why just 1–2°C above normal turns reefs white and why recovery time is running out👉🏻 The 1.5°C threshold: Why IPCC scientists say we're already at risk of losing the world's coral reefs👉🏻 What we lose: Food security for 500 million people, shoreline protection, undiscovered medicines, and tourism economies👉🏻 Can we save them? From reducing local stressors to coral farming to shading reefs with solar panels , what's real and what's desperation⏱️ TIMESTAMPS[00:00:00] Introduction: From physics to coral reefs — Simon's unexpected path[00:06:20] Quick-fire climate questions: temperature, human causation, future warming, tipping points[00:09:00] What coral reefs teach us that temperature graphs can't[00:13:51] Coral bleaching explained: the 1–2°C threshold and why location matters[00:18:06] The 1.5°C limit: why we're already in the danger zone[00:23:07] What we lose when reefs die — food, medicine, shoreline protection[00:28:49] Adaptation in Kiribati: resilience, bias, and real limits[00:22:51] Where to spend the climate budget: shoreline, agriculture, water[00:30:20] Can we save coral reefs? Local action, coral farming, and "desperation engineering"🔔 SUBSCRIBE for new episodes every week — candid conversations with scientists, economists, and risk experts shaping how we understand climate change.💬 Ever seen a coral reef? What would its loss mean to you? Drop it in the comments.#ClimateChange #CoralReefs #CoralBleaching #OceanWarming #ClimateScience #Adaptation #SeaLevelRise #Kiribati #IPCC #MarineBiology #ClimateCommunication #LetsClimunicate #SimonDonner__________________________________________________________________🎙️ New to Let’s Climunicate? Start Here👉🏻 https://www.youtube.com/playlist?list=PLMYZaQ2uW7RjF5An9P-6SQ2Z5Ez8P0kVI🌍 Subscribe for weekly climate conversations → http://www.youtube.com/@letsclimunicate🎧 Listen to our podcast on spotify → https://open.spotify.com/show/3IbDXNLpP5lhQloPwpRQ59🍏 Listen to our podcast on Apple Podcast: → https://podcasts.apple.com/us/podcast/lets-climunicate/id1773398361📸 Follow us on Instagram → https://www.instagram.com/letsclimunicate/🌐 Web: https://www.albertotroccoli.org/podcast/So, what is Let’s Climunicate?Let’s Climunicate is a long-form podcast and YouTube channel dedicated to rigorous, balanced discussions at the intersection of climate science, policy, economics, and societal responses.Hosted by Dr. Alberto Troccoli, each episode features in-depth, one-on-one conversations with leading researchers, policymakers, and industry experts. We make complex climate topics accessible without oversimplifying them and we’re not afraid to test assumptions, challenge narratives, and make space for nuance and debate.🎧 What you’ll find here:👉🏻 90-minute expert interviews on climate risk, insurance, extreme weather, and energy transition👉🏻 Evidence-driven conversations that respect your intelligence👉🏻 Timestamps, resources, and further reading in every descriptionWe release new episodes every week. Subscribe and hit the notification bell so you never miss a conversation.🔗 Book Dr. Troccoli or suggest a guest: letsclimunicate@gmail.com#climate #climatescience #climatepolicy #climateeconomics #climatepodcast #longforminterview #climaterisk #extremeweather #insurance #netzero #IPCC #sustainability #AlbertoTroccoli #LetsClimunicate
