Vulcan Energy defines “sustainable lithium” as lithium produced to enable the clean energy transition using processes designed to significantly reduce environmental and social impacts when compared with legacy methods of lithium extraction.

Vulcan’s use of the term “sustainable lithium” is grounded in intentional design choices across the entire process flowsheet to drive a more sustainable outcome, including using Adsorption‑type Direct Lithium Extraction (A‑DLE) technology with lithium‑rich brine and Vulcan’s closed‑loop process, which significantly reduces water use. This is combined with renewable geothermal energy that lowers reliance on fossil fuels and substantially reduces carbon emissions. Vulcan’s method is efficient, avoids tailings, produces less waste, and results in minimal land disturbance with reduced impacts on native habitats.

Sustainable lithium also provides local co‑benefits such as renewable heat supply and employment for the community, supported by lower‑impact, transparent and responsible supply chains. While no industrial activity is entirely impact‑free, this approach aims to deliver materially lower impacts across the life cycle.