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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Phil N. Bierwirth
2026
There is mounting experimental evidence that lifetime exposure to increasing atmospheric CO2 levels can negatively impact the normal physiology of organisms. Directly assessing this in humans is very difficult. We analysed serum bicarbonate (HCO3−), calcium (Ca) and phosphorus (P) from 1999 to 2020 as indirect proxies for atmospheric CO2 exposure. Over this period, average bicarbonate levels in this population show an increasing trend which parallels rising atmospheric CO2 concentrations. Both. If these trends continue, blood bicarbonate values could be at the limit of the accepted healthy range in half a century, and Ca and P will be at the limit of their healthy ranges by the end of this century. This has the potential to cause a range of adverse health effects.
2025
Anthropogenic activities are increasing the amount of carbon dioxide (CO2) in the atmosphere. There is mounting experimental evidence that lifetime exposure to these increasing atmospheric CO2 levels can negatively impact the normal physiology of organisms. However, directly assessing this in humans is very difficult. We analysed serum bicarbonate (HCO3−), calcium (Ca) and phosphorus (P) levels from the U.S. National Health and Nutrition Examination Survey (NHANES) from 1999 to 2020 as indirect proxies for atmospheric CO2 exposure. Over this period, average bicarbonate levels in this population show an increasing trend which parallels rising atmospheric CO2 concentrations. Both Ca and Phave decreased steadily over the same period. If these trends continue, blood bicarbonate values could be at the limit of the accepted healthy range in half a century, and Ca and P will be at the limit of their healthy ranges by the end of this century. Studies indicate that, after this time, elevated atmospheric carbon dioxide
