This paper examines the challenges and policy imperatives involved in implementing the Polluter Pays principle (PPP) in the context of the Water Framework Directive (WFD). It presents the state of play of the Polluter Pays principle in EU Member States. It also analyses the coherence with other...

This paper is part of a subset of working papers within the Environment Working Paper series, presenting research on the enabling environment for investment in water security. The subset includes country and regional projects aimed at pilot testing the Scorecard, designed to assess the enabling...

This paper examines the current status of water availability, water demand, and influences from climate change in the European Union. It provides an overview of economic policy instruments to address water scarcity and manage water demand. Additionally, the paper explores policy options and...

This paper examines three sets of issues related to strategic investment planning and financing for water: i) Investment planning in an uncertain context; ii) The benefits of supplementing project level planning with a consideration for pathways of investments; iii) Facilitating access to a...

This report outlines results from the initial pilot-testing of a Scorecard to assess the enabling environment for investment in water security, referred to as "the Scorecard”. Developed in collaboration with the Asian Development Bank and partners, the Scorecard aims to identify conditions for...

This paper examines the concept of cost recovery of water services under the EU Water Framework Directive (WFD), including the different types of costs and cost-recovery mechanisms. It presents the state of play in the implementation of cost recovery in EU Member States, for financial,...

Companies are announcing pledges to increase their use of recycled content in their plastics products or packaging. But companies have historically failed to meet the goals that they have announced. OECD governments are adopting policies that will require the use of recycled content. There is...

This working paper takes stock of the literature on behaviourally-informed interventions to facilitate the transition to a circular economy and discusses measures that could be pilot tested in Italy. It provides an overview of the key concepts of behavioural economics and describes the main...

This working paper provides an in-depth review of the opportunities and challenges surrounding water investment in Africa. It also presents the state of play in the use of ultimate sources of funding (the “3Ts”: tariffs, taxes, and transfers) and financing for water on the continent, showing...

This paper investigates the interplay between voluntary and compliance carbon markets, with a focus on the environmental integrity implications, in particular mitigation of greenhouse gases. It explores different types of carbon credit markets and the different ways that these markets can, and...