Inside the plan to store carbon at the bottom of the Black Sea

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🗞️ Driving the news: Ram Amar's startup, Rewind, is leveraging the Black Sea’s anoxic environment to sequester a gigaton of carbon annually by submerging agricultural waste, inspired by ancient, well-preserved shipwrecks

🔭 The context: Initiated in Tel Aviv, Rewind's method, backed by promising experiments, indicates that submerged hardwood can retain 97% of its biomass over a year in anoxic water, paving the way for substantial carbon sequestration

🌍 Why it matters for the planet: This unconventional solution could significantly curtail carbon release using agricultural waste and existing infrastructure around the Black Sea, although concerns about methane production and retrieval difficulties have been raised

⏭️ What’s next: Rewind faces challenges in securing expert approvals, addressing logistical and geopolitical intricacies, and winning public and official confidence in a politically tense region for this innovative sequestration method to succeed

💬 One quote: “We’re trying to fix the biggest intervention we’ve made, with a smaller intervention,” (Ran Amar, founder of Rewind)

📈 One stat: Rewind aims to sequester a gigaton of carbon each year, meeting about 10% of the global annual need for net-zero by 2050, using the Black Sea's anoxic depths untouched by air in two millennia

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