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The concept of Ecohydrology and its scientific foundations were developed by the United Nations Educational, Scientific and Cultural Organization (UNESCO). They are based on the manipulation of biota...

Dams and drainage schemes have transformed one of the finest wetlands, the Mesopotamian marshlands, into salt-encrusted desert. This study prepared by the United Nations Environmental Programme...

The fourth report in the Global Environment Outlook series provides a comprehensive, scientifically credible, policy-relevant and up-to-date assessment of, and outlook for, the state of the global...

The Global Environment Outlook is a major publication for all those who are interested in environmental issues. It has brought together thousands of scientists and hundreds of collaborating centres...

This report presents the GIWA assessment of the Caspian Sea – the largest land-locked water body on earth, bordered by five countries and influenced by three more in the catchment area. The assessment...

This report presents the results of the GIWA assessment of the Sea of Okhotsk region. Rapid population growth and economic development have led to increasing pollution loads in the Amur River basin...

This report presents the results of the GIWA assessment of the Oyashio Current region – one of the most productive waters in East Asia. Changes in the hydrological cycle and ocean circulation have...

This report presents the assessment of Lakes Turkana, Tanganyika, Victoria and Malawi – the largest of the East African Rift Valley Lakes and among the oldest lakes in the world. The lakes are...

This report presents the GIWA assessment of the Mekong River region. Rapid economic development and population growth are increasing the demand for water, energy and food, necessitating more hydro...

This report presents the GIWA assessment of the Humboldt Current region. The world’s largest upwelling area, supporting highly productive fisheries, is located within the boundaries of the region. The...

This report presents the assessment of the GIWA Eastern Equatorial Pacific region, which includes parts of Mexico, Guatemala, Honduras, Nicaragua, Costa Rica, Panama and Colombia. Pollution in the...

This report presents the results of the GIWA assessment of the Colombia & Venezuela and Central America & Mexico sub-systems. In the Colombia & Venezuela sub-system, coastal habitats are being...

UNEP’s third Global Environmental Outlook (GEO-3) emphasizes that the next 30 years will be as crucial as the past 30 for shaping the future of the environment. It uses four scenarios to explore what...

This document provides an overview of the forest fire situation in Latin America and the Caribbean and the impact that they have had on the region and its population over the past few years. It...

This report presents the results of the GIWA assessment of the Barents Sea region – one of the largest shallow continental shelf seas in the world and the most productive sea within the Arctic Ocean...

This report presents the assessment of Patagonian Shelf and associated river basins. The report focuses on the La Plata River Basin, the second largest watershed in South America, and the South...

This report presents the assessment of the GIWA region Brazil Current. Increased anthropogenic pressures due to economic development and urbanisation in the coastal area have polluted the water...

This report presents the assessment of the Amazon Basin – the largest basin on the planet and also one of the least understood. Although sparsely inhabited, the Basin is subject to extensive...