Based on an in-depth literature review and responses to a survey among OECD member countries, this paper discusses the use of flexibility mechanisms in environmental regulations. Such mechanisms can provide flexibility as to how a given environmental improvement is achieved, regarding where...

Four decades of rapid economic expansion in China has generated enormous pressure on the environment, natural resources and public health. Alarming smog outbreaks during the 2010-13 period prompted the government to introduce a number of reforms to control air pollution, including a...

Where they exist, tariffs for water supply and sanitation services face a tension between different policy objectives, such as ensuring the financial sustainability of service provision and ensuring access to all, including vulnerable and poor social groups. Governments (local and national)...

Global freshwater demand is projected to increase substantially in the coming decades, making water one of the most fiercely contested resources on the planet. Water is linked to many economic activities, and there are complex channels through which water affects economic growth. The purpose of...

This study was one of the first attempts to evaluate and quantify the benefits of transboundary co-operation between Georgia and Azerbaijan. A specific framework for inventorying these benefits, taking into account all the different dimensions of transboundary water management, was built and...

Climate change and outdoor air pollution are two of the most challenging environmental issues that modern society faces. These challenges are strongly linked through their emission sources, the sectors they affect and the policies that can be implemented to reduce emissions. They also interact...