Guatemala
- Fostering Water Security in the Trifinio Region: Promoting the formulation of a TDA/SAP for its transboundary Lempa River Basin.
- Towards Joint Integrated, Ecosystem-based Management of the Pacific Central American Coastal Large Marine Ecosystem (PACA)
- Water Funds A Conservation Climate Resilient Model for Stressed Watersheds in Latin America and the Caribbean
- CReW+: An Integrated Approach to Water and Wastewater Management Using Innovative Solutions and Promoting Financing Mechanisms in the Wider Caribbean Region
- Integrated Environmental Management of the Rio Motagua Watershed
- Integrated Transboundary Ridges-to-Reef Management of the Mesoamerican Reef
- Catalysing Implementation of the Strategic Action Programme for the Sustainable Management of Shared Living Marine Resources in the Caribbean and North Brazil Shelf Large Marine Ecosystems (CLME+)
- Conservation and Sustainable Use of Biodiversity in Coastal and Marine Protected Areas (MPAs)
- Testing a Prototype Caribbean Regional Fund for Wastewater Management (CReW)
- Meso-American Barrier Reef System II
- Building Partnerships to Assist Developing Countries to Reduce the Transfer of Harmful Aquatic Organisms in Ships' Ballast Water (GloBallast Partnerships)
- Regional Programme of Action and Demonstration of Sustainable Alternatives to DDT for Malaria Vector Control in Mexico and Central America
- Sustainable Management of the Shared Marine Resources of the Caribbean Large Marine Ecosystem (CLME) and Adjacent Regions
- Environmental Protection and Maritime Transport Pollution Control of the Gulf of Honduras
- Conservation and Sustainable Use of the Mesoamerican Barrier Reef System (MBRS)