Dr Philippa Notten

Dr Philippa Notten, a principal consultant at The Green House, has an undergraduate and PhD degree in Chemical Engineering from the University of Cape Town in South Africa. Since completing her PhD in 2001 Pippa has worked as a consultant in the USA, Denmark and South Africa. During this time she has contributed to a variety of industry-, EU- and UNEP-funded research projects in the broad areas of Life Cycle Assessment (LCA) and environmental decision-making. Pippa is an expert LCA practitioner with over 20 years of experience, primarily relating to life cycle assessment (LCA) and product environmental footprinting in the food, retail, and consumer good sectors, and in the primary industries (mining and power generation). Pippa is also an expert reviewer, having conducted critical reviews of LCA studies conducted on behalf of leading global companies. Her past research work has centred on developing LCA methodology, notably the development of a rigorous approach to the quantification of uncertainty in the information...Read More >

Dr Yvonne Lewis

Dr Yvonne Lewis is a principal consultant at The Green House. Yvonne has an undergraduate degree in Chemical Engineering (awarded with Honours) from the University of Cape Town and obtained her PhD from the Department of Chemical Engineering at the University of Sydney, Australia. Yvonne has worked on climate change and sustainability related projects in South Africa, Australia, the United Kingdom, Lesotho and Botswana, in both academia and the private sector. Yvonne has extensive climate change and carbon footprinting experience and leads this area of specialisation at The Green House. Along with organisational, product and value chain (Scope 3) carbon footprinting, Yvonne also leads projects that involve the quantitative assessment and modelling of systems to support strategy, policy development and scenario and futures work for government and corporate clients. This includes mitigation assessments to meet net zero greenhouse gas targets. Yvonne’s academic background is in Life Cycle Assessment, carbon footprinting and ecological footprinting of urban systems and solid waste management....Read More >