- An Taisce - The National Trust for Ireland - Oldest Irish Environmental Organization : Role "To advance the conservation and management of Ireland's natural and built heritage in ways that are sustainable".
- Burren Action Group - Save Mullaghmore - Campaigning to stop the development by Irish National Parks of major visitor facilities at Mullaghmore in the Burren.
- Environmental Design Consultants - a Belfast firm specialising in landscape architecture, site planning, enviromental assesment and project planning
- Environment Northern Ireland by Aaranet - Complete directory covering environmental issues in Northern Ireland and beyond
- The Falls of Assaroe - An Internet-led campaign to restore an historic salmon leap. Ireland.
- University College Dublin - Energy Research Group is based in the School of Architecture in the Faculty of Engineering and Architecture, of University College Dublin. Since 1975, ERG has undertaken research, development, consultancy, education and dissemination activities on energy utilisation in buildings and climate-sensitive architectural design.
- University College Dublin - THERMIE Home Page aims to provide users with a wide range of energy information resulting from the associated measures of the European Commission's THERMIE programme.