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The International Environmental technology centre (IETC) was established 1994 by the United Nations Environment Programme. One of its main functions is to promote the application of environmentally...

Due to increasing population, changing lifestyles and escalating human activities, the total global demand for water resources is increasing. The Shiga International Forum on Water brought together...

This publication is an outcome of a training programme for Sub-Saharan Africa on the utilization of Environmental Technology Assessment (EnTA) for decision-making in the management of Environmentally...

This publication is an outcome of a seminar on Environmentally Sound Technologies in the field of municipal solid waste management. It presents an overview of solid waste management principles...

This publication is an outcome of the regional workshop for Asia and the Pacific on adopting, applying and promoting environmentally sound technologies (ESTs). It contains session outlines including...

This publication is an outcome of a Pilot Workshop on adopting, applying and operating environmentally sound technologies (ESTs). Materials of this Workshop provide a platform for discussion and...

Adequate freshwater supply is the most important precondition for sustaining human life and for achieving sustainable development. Recognizing the importance of freshwater, the UNEP International...

This publication is an outcome of the Workshop devoted to enhancement of awareness and the development of the capabilities in the field of wastewater treatment at regional and national levels...

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...

Water quality management has been identified as a high priority issue for the Mekong River Basin. Because of growing development pressures on the Mekong River and on water quality in particular, UNEP...