The IUCN Water and Nature Initiative (WANI)  toolkit series includes case studies and guidelines on valuing and negotiating different water management options that supports healthy rivers and communities.

Co$ting Nature is a web-based tool that determines the opportunity cost of producing ecosystem services and the impacts of human intervention.

With a focus on hydrological services, a baseline is calculated for current ecosystem services provision. Different scenarios of change and policy interventions can be modeled against the baseline to understand their impact on ecosystem services delivery.

Tessa is a practical toolkit of methods to quantify overall ecosystem services value under current and alternative land use scenarios.

The Soil and Water Assessment Tool (SWAT) valuates and models long-term trends of agricultural management practice and their impacts on hydrological ecosystem services.

The IIED - Poverty and Conservation Learning Group developped multiple tools and methodologies to assess the impact of initiatives on socio-economics and biodiversity. These also include valuation methodologies and frameworks to guide decision-making.