Jean-Pascal Van Ypersele

La production d'acier mondiale, responsable de 11% des émissions de gaz à effet de serre d'origine humaine, reste largement dépendante du charbon et les capacités de production d'acier "vert" n'ont que "très légèrement" augmenté en 2025, déplore l'ONG américaine Global Energy Monitor lundi. Pour transformer le minerai de fer en acier, les hauts fourneaux traditionnels consomment du charbon d'origine fossile, très polluant. Ils contribuent ainsi significativement au réchauffement de l'atmosphère.

When James Prescott Joule lent his name to a unit of energy, he could not have foreseen today’s alarming calculations

The activist and author of Here Comes the Sun discusses rapid advances in solar and wind power and how the US ceded leadership in the sector to its main rival

87%. That’s how much the emissions of NVIDIA (worth 5 trillion dollars) increased in 2024, as an article from TruthDig is one of the only sources in the world to point out. This means it became the world’s most valuable company by answering soaring demand for AI… whilst doubling its carbon footprint. Not to mention water: Samsung’s next ‘mega-cluster’ of GPU fabs will consume half of Seoul’s water, says the same article.

The planet is nearing dangerous limits. Yet progress on clean energy shows what’s possible. With political will, cooperation can still avert the worst of the climate crisis

Taking a closer look at AI’s supposed energy apocalypse

UN says a global ‘backlash’ against climate action is being stoked by fossil fuel companies

A new record high, but is there light at the end of the tunnel?

A new climate case was filed this week. Multnomah County, the Oregon county that includes Portland, filed suit against several oil majors for their role in exacerbating the climate change that led to the county's "heat dome" in June 2021, which killed 69 people. But the case doesn't just place

Major fossil fuel entities and trade associations including Koch Industries, the American Petroleum Institute, and the Western States Petroleum Association, as well as consulting behemoth McKinsey & Company, were slapped with the latest climate liability lawsuit today with the filing of a complaint in the Oregon Circuit Court in Multnomah County, Oregon.