CSE has been working with Central Environment Authority (CEA) on various capacity building initiatives since 2011. CSE also signed a three year Memorandum of Understanding (MoU) with CEA in March, 2012 to assist CEA in monitoring and compliance of development projects (i.e. EIA), advocate laboratory support and encourage research and knowledge dissemination. Over a period of time, CSE has conducted programmes on EIA, Urban and Industrial Wastewater, Environmental Awareness and Waste Management and has trained over 300 officials in Sri Lanka and more than 30 in India.