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As the world grows more connected, long-term scenario perspectives are required at global, regional, national and local levels for environmental sustainability. By presenting a review of the...

WWDR1 is targeted to all those involved in the formulation and implementation of water-related policies and investment strategies, as well as to professionals at all levels. Although it offers a broad...

This publication describes how building partnerships and enhancing cooperation across every dimension of sustainable development are essential components to accelerating progress towards realizing the...

This volume attempts to explain the consequences of environmental change and deterioration of ecosystems on human health and analyzes global, regional, and national trends. It assesses the status of...

This publication presents a global assessment of acidification and eutrophication caused by sulphur and nitrogen deposition. The study has two objectives: the first is to assess the present and...

This publication illustrates the critical linkages between water and climate change in the context of the broader sustainable development agenda. Supported by examples from across the world, it...

Water is a finite and non-substitutable resource. As the foundation of life, societies and economies, it carries multiple values and benefits. But unlike most other natural resources, it has proven...

Accounting for approximately 99% of all liquid freshwater on Earth, groundwater has the potential to provide societies with tremendous social, economic and environmental benefits and opportunities...

The Report builds on the conclusions of the 1st United Nations World Water Development Report 'Water for People, Water for Life' published in 2003. It presents a comprehensive picture of freshwater...

The Global Environment Outlook (GEO-2000) explores alternative policy options for Europe and Central Asia, focusing on energy use as an important driver for environmental problems across the region...

The 2018 edition of the World Water Development Report seeks to inform policy and decision-makers, inside and outside the water community, about the potential of nature-based solutions (NBS) to...

The 2019 Report seeks to inform policy and decision-makers, inside and outside the water community, how improvements in water resources management and access to water supply and sanitation services...

The Third edition of the United Nations World Water Development Report (WWDR3), “Water in a Changing World” was officially launched on March 16, 2009 at the 5th World Water Forum in Istanbul, Turkey...

The Source Book is meant to help move towards greater harmonization of environmental information through development and encouragement of common approaches, practices and terminology. It provides a...

Integrated assessment is one of the more powerful information tools to rational environmental policy. This report illustrates that integrated assessment and modelling techniques can be excellent tools...

This publication articulates a range of development scenarios and examines their plausibility, desirability and sustainability. It illuminates the interplay between global and regional processes...

In an effort to contribute to the Global Environment Outlook, this publication provides guidance and input on the environmental concerns from regional perspectives, reasons for the occurrence of the...

Until recently, it was virtually impossible to obtain historical, time-series data over large areas owing to lack of Earth-observing systems. A number of such systems from many countries now provide...

For millennia, humans have altered the world's ecosystems to meet their growing demands for food, fibre and water or to build cities, roads or other infrastructure. Many of these changes to ecosystems...