Sri Lanka Environment Exploration Society (SLEES)

Sri Lanka Environment Exploration Society (SLEES) is an island-wide environmental organization established in 1992. It is registered under the Central Environment Authority of Sri Lanka (No. 6/6/17/18/3) and the National Secretariat for NGOs. Our members include professionals, university students, school children and community leaders.

We are committed to the cause of conservation of the environment and our activities cover diverse aspects including research, exploring the environment, conservation with community participation, and public awareness programs etc. We carry out environment-related projects in remote areas where there are less facilities. Global Environmental Facility/Small Grants Project of UNDP is the main donor agency of our organization.


“A Protected Environment for all living beings”


"To protect Sri Lanka’s biological diversity, through education, exploration and conservation"




Knowledge Management and Capacity building for GEF/SGP Operational Phase 06 partners in Sri Lanka.

Knowledge Management and Capacity Building of CSO Partners on Community Based Adaptation in Sri Lanka

Rehabilitation of 2000 hectares through suitable soil conservation methods and agro-forestry in 4 GN divisions in Wilgamuwa Urban Council in Matale District.

Development of eco-tourism with the community participation in Rathna Ella forest reserve, Rathna Ella falls & Kaluwa watuna Ella falls by National Ethnic Unity Foundation (NEUF)
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Biodiversity conservation and enhancing ecosystem services in Kandegama, Kobonilla, Hare Park villages and surrounding forest reserves by Centre for Integrated Indigenous Knowledge Systems (CIIKS)

Community based bio diversity conservation project in Knuckles area by Dumbara Mituro - Environment & Cultural Foundation
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Protecting herpetofaunal point endemic species for strengthening the conservation status of the Knuckles landscape by Herpetological Foundation of Sri Lanka (HFS)

Conserve bio diversity and enhance ecosystem services in Theligamu river high sensitive catchment area by Arunalu Community Development Centre

Project on Biodiversity Conservation and Livelihood Development through Integrated Village Development in Meda Ela and Kahagala areas by Anurudha Arana Trust

Project on Green Village Eco-Tourism Model in the Knuckles Valley by Community Resource Protection Centre (CRPC)
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Developing Eco-Tourism Services in the Narangamuwa and Lakegala GN Divisions by Nirmanee Development Foundation
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Introduce Sustainable Land Management Practices to Illukkumbura and Mahalakotuwa sites by Rangiri Thakshana Piyasa

Productivity and Sustainability Improvement of Agro Eco-System in the Knuckles Buffer Zone and livelihood Development by Community Development Centre (CDC)

Conservation of Biodiversity in 160 Hectares of Land in Four Villages in Minipe DS Division in Kandy District by People's Livelihood Development Foundation (PLDF)

Converting 100 acres of abandoned tea lands in Midlands Estate in Raththota in to a land that provides eco-system services by Grama Abhiwurdi Foundation for Environmental Conservation (GAFEC)

Capacity Building and Knowledge Management of the Project Partners of GEF Small Grants Projects implemented in Knuckles Conservatory area by Sri Lanka Environment Exploration Society (SLEES)