Sigma Lithium Corp. is a Canadian mineral development company that is constructing a Greentech Lithium Plant in Brazil. The company aims to produce high-purity lithium concentrate for electric vehicle batteries. Sigma Lithium Corp. is committed to environmental, social, and governance principles and is working towards being net zero emissions by 2024. The company's processing plant will use renewable energy, recycled water, and dry-stack tailings. Sigma Lithium Corp. aims to support the growth of the electric vehicle industry as a leading supplier of environmentally sustainable lithium products.