Sigma Lithium with the Triple Environmental License for The Barreiro mine

30th December 2024 Sigma Lithium with the Triple Environmental License for The Barreiro mine


Sigma Lithium Corp. a global leader in powering the EV revolution with carbon-neutral, socially and environmentally sustainable lithium, has achieved a major milestone! It announce the receipt of the Triple Environmental License for The Barreiro mine, located within the Grota do Cirilo property in Brazil.

This license—covering construction, installation, and operation—was approved by unanimous vote, including NGO members, from the Chamber of Mining Activities in Minas Gerais. This marks a crucial step in ensuring a sustainable, long-term lithium supply for the Greentech Industrial Complex, supporting 16-year BNDES financing term.

Decision importance

The Environmental assessments began in January 2021, with licenses filed in July 2022. Our foresight positions us for seamless future expansion.

The company has invested in social initiatives since 2023, including funding schools, childcare units, and cultural programs for local children in partnership with the Aracuai and Itinga municipalities.

The unanimous license approval is a testament of Sigma Lithium commitment to responsible and eco-conscious mining practices.

Sustainable lithium supply

Ana Cabral Sigma Lithium CEO, has stated „This license ensures a reliable and sustainable lithium feedstock supply for years to come. It reflects our unwavering dedication to community engagement and environmentally responsible practices.”

Next WMC Congress

World Mining Congress

2026

The 27th World Mining Congress will be organized in 2026 in Peru. Detailed information can be found either on the 27th WMC official webpage or the second circular.

Learn more
27th
Next IOC Meeting

IOC / WMC Meeting

2025

The 106th IOC/WMC meeting will be organized on September 18th 2025 in Jakarta, Indonesia.

Learn more
106th

Our news Others news

13th November 2025 Canada leads global action on critical minerals and supply chain security

Canadian flag. Source: Photo by Praveen Kumar Nandagiri on Unsplash

In an era defined by digital transformation and geopolitical uncertainty, Canada, through its G7 Presidency, is…

7th November 2025 Raw Materials Week 2025, shaping Europe’s sustainable future

Pavilon in a form of a nine 18 metre diameter stainless steel clad spheres connected in the shape of a unit cell that represent an iron crystal. Source: hederik-kolk from Unsplash

The upcoming Raw Materials Week 2025, taking place 18-20 November 2025 in Brussels approaching! Raw Materialas…

5th November 2025 DISA Technologies with the first-ever license to remediate abandoned uranium mines

Desert secluded landscape. Source: Photo by mohamed Taha on Unsplash

The environmental scars left by World War II era uranium mining, still affect communities across the…

31st October 2025 Aldebaran Resources announces spin-out of its Northern Argentina exploration projects

Gold bars. Source: Unspalsh.

Aldebaran Resources Inc. has announced a strategic move to unlock shareholder value and accelerate mineral exploration…

29th October 2025 Cameco, Brookfield, and the U.S. Government forge a $80 billion partnership

Nuclear power plant. Source: Photo by Viktor Kiryanov on Unsplash.

Cameco Corporation together with Brookfield Asset Management, has established a strategic partnership with the U.S. Government…

22nd October 2025 Australia and the U.S.A. critical minerals partnership reaches next level

Metal ore. Source: Photo by Paul-Alain Hunt on Unsplash

In a significant development for global resource security, the US and Australia have signed a deal…

20th October 2025 United States Antimony Corporation has begun the Stibnite Hill operation

Hauling at the open-pit mine. Source: Photo by omid roshan on Unsplash

United States Antimony Corporation has announced that, after receiving necessary permits from the Department of Environmental…

15th October 2025 Prime Mining receives Mexican Antitrust Approval for transaction with Torex Gold

Gold bars. Source: Unspalsh.

Prime Mining Corp. has announced that it has received clearance from COFECE (Comisión Federal de Competencia…

8th October 2025 Ecuador revokes the environmental license for the Loma Larga gold project

Ecuador Pinllopata mountain and green valley landscape. Source: Photo by Dayan Quinteros on Unsplash

Ecuador’s government has recently announced that it revoked the environmental license for Canadian company DPM Metals’…

3rd October 2025 6th Polish Mining Congress, raw materials, energy, and transformation

In the picture it can be seen the mining shaft hoist building. Source: Unsplash.

The 6th Polish Mining Congress (Polski Kongres Górniczy), which was held 24-26th September 2025, was one…