This data scientist sees progress in the climate change fight

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🗞️ Driving the news: Despite widespread pessimism over global climate efforts, data scientist Hannah Ritchie, deputy editor at Our World in Data, argues that the world is making quiet but meaningful progress in the clean energy transition
• In an interview tied to her new book Clearing the Air, Ritchie highlights overlooked trends such as exponential solar growth in China, rising EV adoption globally, and efficiency gains across energy systems — suggesting the fight against climate change is far from lost

🔭 The context: Ten years after the Paris Agreement, global emissions and temperatures remain at record highs. However, beneath the setbacks — including policy reversals in the U.S. and continued fossil fuel use — lies a more complex story
• Ritchie emphasizes that while coal plants are still being built in China, their actual coal consumption is declining, and energy systems are adapting in ways not always captured in headline statistics
• She also critiques the overstatement of AI-driven electricity demand and defends nuclear power’s safety compared to fossil fuels

🌍 Why it matters for the planet: Ritchie’s data-driven perspective reframes climate discourse from doom to determination
• She argues that clean energy technologies are scaling rapidly, especially in low- and middle-income countries, driven by cost and resilience needs
• Her call to balance individual and systemic action encourages a pragmatic approach: decarbonization is achievable, but only if political will, finance, and public engagement align

⏭️ What's next: As global clean energy costs continue to fall and China expands its market dominance, countries will increasingly face a choice between economic competitiveness and fossil fuel dependency
• Ritchie sees tariffs and isolationist policies as counterproductive to accelerating deployment
• She also warns that solar geoengineering could become a unilateral tool if climate impacts worsen, urging better research now to prepare for ethical and governance dilemmas
• Ultimately, she stresses that optimism must be matched with urgency

💬 One quote: "I don’t want people to walk away thinking that [solving climate change is] easy or inevitable. We still have a ton of work to do." — Hannah Ritchie, author and data scientist

📈 One stat: 1.6 billion inhalers dispensed in the U.S. (2014–2024) generated 24.9 million metric tons of CO₂-equivalent emissions, underscoring how even essential medical tools contribute to climate impacts — but also how innovation can reduce them

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