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The Bolivia Summit of the Americas declared in 1996 that despite extensive efforts by countries in the Americas to improve water use and management, demand continues to rise while contamination has...

By the year 2025, it is estimated that more than two-thirds of the world's population will be urban dwellers. In Water for Urban Areas, leading experts offer unique insights into varied issues of...

Due to the large disparity in the availability of water between the wet northern region and the drier south parts of Southern Africa, water management has become an issue of critical importance to...

The oceans cover more than 70 percent of the Earth's surface and play an important part in our lives by controlling climate and weather conditions; hosting shipping, transportation, recreation and...

The Ganges-Brahmaputra-Meghna basins contain the largest number of the world's poor in any one region. The population is increasing steadily and unless the current development trends are broken...

In the Middle East and North Africa, water is rapidly becoming the key development issue. The region has one of the highest population growth rates in the world and scarce natural water supplies. This...

This publication discusses the scientific background of the African elephant and the effect of the ivory trade on its endangered population. A chapter on the counting of elephants provides the reader...

The value of this volume is the summary of the GEMS/Air assessment on the levels and effects of five of the most common and ubiquitous air pollutants: sulphur dioxide, nitrogen oxides, carbon monoxide...

The data in this fifth volume in the series of the UNEP/GEMS Environment Library provide a picture of levels and trends of food contamination over much of the globe. Contaminants such as lead, cadmium...

Polluted water has the potential for becoming a global threat. The GEMS assessment provides the first global picture of the state of much of the world's freshwater resources. It outlines the critical...

This volume deals with the effects of ozone depletion on human health and the environment, and outlines ways of reducing damage to the ozone layer. It discusses the effects of ultraviolet radiation on...

This technical document, written to be easily understood by those without technical qualifications, deals with the phenomenon of El Niño as it effects a reversal in the direction of winds and oceans...

Glaciers are important to the environmental health of the planet especially in the regulation of the Earth's heat balance. This volume presents the background and behaviour of glaciers, as they can be...

This volume summarizes the current state of knowledge on climate change and its possible consequences. It draws together scientific research on the enhanced greenhouse effect, global warming and...

Biodiversity describes the diversity of life on Earth encompassing all species of plants, animals and micro-organisms, their genetic material and the ecosystems of which they are part. This volume...

Good management of the world's freshwater resources depends on understanding their value and the major problems confronting them. This publication documents the state of the world's lakes and...

This volume summarizes the potential implications of climate change and variability on fisheries and on the societies that depend on them. It is based on a review of several fisheries case studies and...

Contributing to the scientific investigation of global water resources, this publication summarizes the results of analysis and interpretation for 82 major river basins around the world. It is...

It is urgent that we protect our groundwater supplies with diligence and that everyone understands the importance of doing so. This publication is intended to explain to all readers how important...