CleanTech Luxembourg is home to a significant number of clean tech companies, which mainly work in the fields of renewable energy, waste management, water treatment and eco-construction. The take-up of clean technologies is facilitated by an ambitious strategy that Luxembourg has adopted in order to stimulate the production of eco-technology products and to support R&D in the clean technologies. This strategy which aims promoting sustainability and economic diversification, is oriented around the strengths of Luxembourg’s economy, which include: excellent ICT infrastructure and know-how; outstanding logistics infrastructures and skills; dynamic construction sector implementing top notch technologies; very international environment welcoming entrepreneurs from all over the world. Identify, connect, realise A number of companies in the CleanTech sector develop products and services that have proven to be sucessful locally and internationally. New and existing innovative businesses in the field can count on the support of several business-oriented initiatives. The majority of the country’s clean tech companies are active in the Luxembourg CleanTech Cluster that aims to enhance the fields of energy, environment and sustainable development in Luxembourg. The Cluster’s actions seek to create and develop new and sustainable business opportunities, mainly throgh collaborative R&D and innovation projects. It focuses on: circular economy especially through its programme Fit 4 Circularity; ecocities & urban resources management. The Environmental Research and Innovation (ERIN) department of the Luxembourg Institute of Science and Technology (LIST) develops strategies, technologies and tools to better monitor, assess, use and safeguard natural and renewable resources. The University of Luxembourg also conducts research of interest to the CleanTech sector, in particular in the fields of photovoltaics and energy and environment aspects of engineering. Another key actor is Neobuild, an innovation cluster for sustainable construction and a living lab for innovation in the construction sector.