Greenhouse Solutions.. Environmental Consultants & Services - Downer, ACT . Service: Advice, Analysis, Assessments, Audits, Carbon Offsetting, Expert Witness, Greenhouse Strategies, Impact Studies, Lifecycle Analysis, Reporting, Risk Assessment. Type: Commercial, Industrial. Assurance: Accredited, Certified. Concern: Carbon Dioxide, Carbon Footprints, Carbon Neutral, Climate Change, Emission Reduction, Environmental Sustainability, Global Warming, Sustainability