A Brazilian court ordered the suspension of all environmental permits for Sigma Mineração SA, an operating subsidiary of Sigma Lithium Corp. , and the complete halt of mining activities for the company’s Grota do Cirilo lithium project.
Source: [Bloomberg Markets](https://www.bloomberg.com/news/articles/2026-09-05/brazilian-court-suspends-permits-halts-sigma-lithium-s-mine)