December 9, 2025

Yearn Finance has published a detailed post-mortem on last week’s yETH exploit, explaining how a numerical flaw in one of its older stableswap pools let an attacker mint an almost unlimited amount of LP tokens and steal about $9M in assets.…

Support CleanTechnica's work through a Substack subscription or on Stripe. To the shock and surprise of exactly no-one, a federal judge has declared a key part of US President Trump’s notorious Offshore Wind Order of January 20 null…

Support CleanTechnica's work through a Substack subscription or on Stripe. Indianapolis, Indiana — A new ad in downtown Indianapolis reminds Hoosiers that their high utility bills are thanks to coal. According to a new report,…

Support CleanTechnica's work through a Substack subscription or on Stripe. Policies have consequences, and nothing illustrates that fact better than two EV stories in the news today. Kia has announced the EV5 — a midsize electric SUV…