13 Comments
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巫女みこ(mikomikojapan)'s avatar

Hi Hannah Ritchie,

I’ve been following your insightful coverage on climate solutions and always learn a lot from your balanced perspective.

Inspired by the mechanism of past ice ages—where plankton blooms absorbed immense amounts of CO2—I recently wrote a short piece proposing a grassroots alternative to controversial industrial ocean iron fertilization:

🌿 "Hyper-Local Coastal Nutrient Recycling"

1. Restoring lost river-to-sea mineral flow using local, natural biomass (e.g., fallen leaves, dredged sediments, local shell waste).

2. Designed strictly under local community & fishery consensus to prevent toxic algal blooms (red tides).

3. Revitalizing local marine catch while sequestering carbon bottom-up.

I know ocean-based carbon removal is heavily debated, so I’d genuinely love to get your critical take: Do you see a pathway for this kind of community-led, low-tech circular approach alongside industrial marine CDR?

Here is the full post: Global Warming → How to Powerfully Cool the Earth ✨ 地球温暖化→地球を強力に涼しくする方法✨

https://mikomikojapan.substack.com/p/813

(If this perspective resonates with you or your audience, feel free to share your thoughts or restack!)

Thanks for your time and continued inspiration,

Nigel Birch's avatar

Very good tool. My comment is that for the EU, the main staples, wheat, barley, oats and corn, are all in decline. I note that global warming is affecting Europe at a faster rate than the rest of the world, so I wondered if this may be the reason? It could of course be due to a whole host of other reasons. Maybe someone has looked at this?

Gabriel Pons-Cortès's avatar

Having this tool for yields is excellent. Is there any one for trade? I think it would be interesting to know how much the war in Ukraine is affecting Russian and Ukranian exports of wheat.

Geraldine Joffre's avatar

Good question, and I recall having seen such a tool on our World In Data not long ago: https://ourworldindata.org/how-does-food-get-traded-around-the-world and I see it actually comes from Hannah!

Gale Pooley's avatar

Great tool Hannah!

Matti Kahra's avatar

Hi,

thanks for doing this! Super important and easy access!

Zafer Kaya's avatar

Hi Hannah,

Great tool, Great post.

Thank you.

rahul razdan's avatar

Hi,

The tool seems to say that India is a large producer of beef.... this seems unlikely, but perhaps I am missing something...

Mark Kelly's avatar

Lowest US wheat harvest since the 1970s and EUs wheat harvest declines, again. it seems Asia is rescuing the numbers.

Greg S's avatar

If I am reading the tool correctly, this is down to a reduction in land use not reduced yields. So the farmers are presumably growing something more profitable instead - soybeans for cattle feed?

Lindsay Wood's avatar

That's a fantastic tool, thanks Hannah. Do you think you'll be able to pick up the downstream impact of the Strait of Hormuz closure, especially on agrichemicals?

Robert Youngberg's avatar

Excellent analysis, thank you.