EESI Group (Environmental Earth Sciences International) is an Australian-founded environmental consulting group operating since 1984, focused on the 'brown environment': contaminated and degraded soil, groundwater and waste. With teams in Australia, the USA and the UK, its multidisciplinary, science-led experts serve sectors including property and construction, government, mining and resources, oil and gas, waste, industrial and manufacturing, infrastructure and legal, offering contaminated soil and water assessment, remediation and bioremediation, landfill and waste services, mine closure and rehabilitation, hydrogeology, and auditing and compliance.