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The Ocean Conference
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Bardados Programme of Action (BPOA)
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United Nations Conference on Environment and Development: Agenda 21
Our Common Future
United Nations Conference on the Human Environment (Stockholm Conference)
Creation of UNEP
Second Assessment of Transboundary Rivers, Lakes and Groundwaters
UNECE, 2011
by: Economic Commission for Europe (UNECE)

Transboundary waters play a key role in the United Nations Economic Commission for Europe (UNECE) region. Their basins cover more than 40% of the European and Asian surface of the UNECE region and are home to more than 50% of the European and Asian population of UNECE.

The Second Assessment of Transboundary Rivers, Lakes and Groundwaters is the most comprehensive, up-to-date overview of the status of transboundary waters in the European and Asian parts of the UNECE region. It has been prepared upon request by the Sixth “Environment for Europe” Ministerial Conference as an input for the Seventh Ministerial Conference in Astana in September 2011. It has been carried out under the auspices of the Meeting of the Parties to the Convention on the Protection and Use of Transboundary Watercourses and International Lakes (Water Convention), and under the overall leadership of Finland.

The Second Assessment presents a broad analysis of pressures, quantity and quality status, transboundary impacts, as well as responses and future trends of our transboundary water resources. It highlights regional differences, specificities and vulnerabilities.

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