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Reports and Books
The World List of Threatened Trees
United Nations Environment Programme World Conservation Monitoring Centre (United Nations Environment Programme-WCMC)

The conservation of biodiversity and its sustainable management are internationally recognised as vital global concerns. Identification of the components of biodiversity and the threats they face are important steps in planning for conservation action. Tree species are ecologically, culturally and economically valuable components of biodiversity and their conservation is essential to the well-being of people in all countries of the world. With increasing general pressures on ecosystems and selective pressures on species, it has become apparent that many tree species are threatened with extinction. Information on the degree and extent of threat has, however, previously been scattered and scarce. The World List of Threatened Trees presents the results of the first survey of the conservation status of trees species worldwide. Assessment of the conservation status of the world's tree species is a major task given the overall number of trees believed to exist. The world's tree flora is estimated to total around 100,000 species.


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1998

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Serials
The non-reporting report
United Nations Environment Programme

The goal of this publication is to promote reporting by exploring why some companies produce corporate environmental reports while others choose not to, which major companies are still not reporting? What barriers to disclosure do non-reporters perceive? And how do these compare with the actual obstacles faced by companies that do report?


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1998

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Reports and Books
Inventory of worldwide PCB destruction capacity
United Nations Environment Programme

This document is prepared by UNEP chemicals in co-operation with the secretariat of Basel convention . The publication is intended to serve as a first guide on available PCB destruction facilities.


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1998

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Serials
Ozonaction newsletter no. 28
United Nations Environment Programme

Newsletter dedicated to the protection of the ozone layer and implementation of Montreal Protocol. This is a quarterly publication which details Ozone action programme under the multilateral fund.


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1998

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