Ecology & Environment, Inc., an environmental consulting firm, provides professional services to government and private clients worldwide. It offers support services for response and site assessment activities related to the release and threat of release of oil, petroleum products, hazardous substances, and weapons of mass destruction or pollutants or contaminants; and undertakes task order contracts comprising various environmental assessment projects, engineering and oversight of pollution remediation, and other hazardous waste remediation activities, as well as prepares environmental impact assessment documents for federal land management agencies. The company also provides services to various phases of energy development by conducting critical feature/fatal flaw analyses, social and health impact assessments, feasibility and siting studies, field surveys, permitting, construction inspection, and compliance monitoring. In addition, it conceives and designs environmental restoration projects that restore affected habitat through the integration of biological and engineering solutions; offers sustainability, resiliency, and climate adaptation services, as well as environmental planning and assessment, and military master planning and land use compatibility study services; and provides water supply, water quality, and watershed management services. Further, the company offers logistical support, emergency response/management, and planning services in various preparedness, mitigation, response, and recovery phases, as well as conducts hazardous waste site evaluations providing site investigation, engineering design, and operation and maintenance. Additionally, it is involved in the management and financial planning; institutional strengthening and standards development; water supply and development; wastewater treatment; and solid waste project construction supervision assignments. The company was founded in 1970 and is headquartered in Lancaster, New York.