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Hannah Ritchie

What Hannah Ritchie thinks about climate change

@hannah-ritchie · 37 positions · On ppll ↗

Data scientist at Our World in Data and author of Not the End of the World. Writes Sustainability by Numbers, working through energy and climate questions with the numbers in front of her, and revises in public when they say something she did not expect.

Hannah Ritchie did not write this page.

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Only Hannah Ritchie on climate change. See everyone on climate change

4 dated positions, 2023 to 2026, in their own words. Our reading of what Hannah Ritchie has said — not written or endorsed by them.

4 positions so far — this page is not yet offered to search engines.

  1. Our readingPeople consistently underestimate how many of their compatriots believe in climate change and want action on it.

    Their wordsAs I’ve written about extensively, people consistently underestimate how many others in their country “believe” in climate change or support action on it.

    ↗Many people are individually optimistic but think the world is falling apartsustainabilitybynumbers.com 1st of 4 in this piece

  2. 5 weeks earlier

  3. Our readingCheap clean energy has broken the old trade-off between raising living standards and cutting environmental harm.

    energybatteries

    Their wordsThe rapid drop in renewable energy costs in the last decade (alongside huge improvements in battery technologies) has started to break this deadlock.

    ↗Can we break the human development-environment trade-off?sustainabilitybynumbers.com 3rd of 4 in this piece

  4. 12 months earlier

  5. Our readingVertical farms are not automatically better for the climate than farming outdoors.

    Their wordsA number of studies, conducting full life-cycle analyses, have found that vertical farms currently have a higher carbon footprint than conventional outdoor farming.

    ↗Vertical farming: a local solution for greens, but not feeding the world any time soonhannahritchie.substack.com 3rd of 3 in this piece

  6. 15 months earlier

  7. Our readingBiofuels have probably raised greenhouse gas emissions rather than lowered them, once the land they take is counted.

    Their wordsThey estimate that biofuels have increased emissions, not decreased them.

    ↗Biofuels: the US could switch to electric cars and solar power on just a fraction of the landhannahritchie.substack.com 1st of 5 in this piece