Les Ressources minérales (*)
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« Une nouvelle ruée minière d’une ampleur inédite a commencé. Au nom de la lutte contre le réchauffement climatique, il faudrait produire en vingt ans autant de métaux qu’on en a extrait au cours de toute l’histoire de l’humanité. Ruée sur le cuivre en Andalousie, extraction de cobalt au Maroc, guerre des ressources en Ukraine, cette enquête sur des sites miniers du monde entier révèle l’impasse et l’hypocrisie de cette « transition » extractiviste. »
Source : présentation de « La ruée minière au XXIe siècle » – Enquête sur les métaux à l’ère de la transition – Celia Izoard
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Helen Wieffering
2025
The startup Gigablue announced with fanfare this year that it reached a historic milestone: selling 200,000 carbon credits to fund what it describes as a groundbreaking technology in the fight against climate change . But outside scientists frustrated by the lack of information released by the company say serious questions remain about whether Gigablue’s technology works as the company describes. Their questions showcase tensions in an industry built on little regulation and big promises — and a tantalizing chance to profit.
Dozens of companies and academic groups are pitching the same theory: that sinking rocks, nutrients, crop waste or seaweed in the ocean could lock away climate-warming carbon dioxide for centuries or more. Nearly 50 field trials have taken place in the past four years, with startups raising hundreds of millions in early funds. But the field remains rife with debate over the consequences for the oceans if the strategies are deployed at large scale, and over the exact benefits for the climate. Critics say the efforts are moving too quickly and with too few guardrails.
