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Environment

High-Quality ‘Green Lithium’

Supporting the United Nations Sustainable Development Goals

For three years, we have tested and improved a ‘green and sustainable’ purification route that produces high-quality lithium for electric vehicle batteries. This high-purity processing technology allows us to produce environmentally sustainable ‘green lithium’.

Ensure availability and sustainable management of water and sanitation for all.

Ensure access to affordable, reliable, sustainable and modern energy for all.

Ensure sustainable consumption and production patterns.

Protect, restore and promote sustainable use of terrestrial ecosystems, sustainably manage forests, combat desertification, halt reverse land degradation and biodiversity loss.

Our production process is

fully sustainable

100% Green Power
Our operations at Grota do Cirilo use 100% hydropower delivered by the Irapé hydroelectric power plant located 50km from the mine.
100% Water Recycling
We recycle 100% of the water used at Grota do Cirilo (while losing 10% to evaporation), meaning we only draw water from the nearby Jequitinhonha River minimally.
Zero Tailings Waste

Thanks to Dense Media Separation technology, we can dry stack tailings from the production process instead of using a tailings dam. They are non-hazardous, reducing the environmental impact of the tailings, which are used by other industries – resulting in no waste.

How we achieve sustainability

Watch our ESG video

At Sigma Lithium, ESG comes first. It has been a priority for our business since its founding and the principles behind it guide everything we do. For us, developing better environmental practices to preserve our ecosystems and contribute to a better future for our planet is non-negotiable. So is the prosperity of our local communities and the transparency of our operations. While we are a battery materials supplier that thinks globally, we always act locally.

Discover our sustainability approach

High-Quality ‘Green Lithium’

Promoting the economic growth of the local community

Maintaining the Highest Standards

Check out our governance documents

Explore the market forecast for sustainable lithium

Experience firsthand some of our many ESG initiatives