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Reports and Books
Analyzing Environmental Trends using Satellite Data: Selected Cases
United Nations Environment Programme

An analysis of recent and historical satellite imagery collected over the past forty years was carried out for Lake chad in West Africa, the Sundarbans along the India-Bangladesh border, Papua in Indonesia, the Paranaense Forest around Itaipu Dam and Iguazu Falls at the juncture of Argentina, Brazil and Paraguay, and the Ataturk Dam and the Harran Plain in South Eastern Turkey to provide scientific evidence of environmental change taking place in these ecologically significant regions of the world. While it can be difficult to pinpoint exact causes of change to the environment, the report documents environmental impacts of development, tourism, globalisation, human uses, engineering, climate change and a host of other factors.


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2004
Reports and Books
Reducing Emissions from Deforestation: global mechanisms, conservation and livelihoods
United Nations Environment Programme World Conservation Monitoring Centre (United Nations Environment Programme-WCMC)

This review examines the impacts of reactive nitrogen on the environment, human health and economies from local to global scales. About 40% of the human population depends upon food production made possible by synthetic nitrogen fertilizers. Combustion of fossil fuels adds more reactive nitrogen to air, water and soil. This distortion of the global nitrogen cycle, while raising agricultural yields, causes degradation of water and air quality, biodiversity, ecosystem services and human health. Meanwhile, reactive nitrogen deficiencies on farmland in many developing countries continue to create economic and health hardships, and accelerate land degradation. This review is intended to assist all stakeholders in understanding and assessing these challenges, and sets out the sources and impacts of reactive nitrogen and current trends in use and emissions. Case studies show the need to integrate scientific understanding and strengthen existing policies addressing the various impacts of reactive nitrogen. Recommendations are made on the assessment, monitoring, information sharing and collaboration required at different geographical scales, and across disciplines and jurisdictions, to develop and implement coherent and effective policies to address nitrogen excess and deficiency.


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2004

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Reports and Books
Fisheries subsidies and marine resource management: lessons from Bangladesh
United Nations Environment Programme

This study includes a discussion on the policy evolution, the intervening factors and the consequences of trade liberalization on marine fisheries in Bangladesh.


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2004
Reports and Books
Environmental Indicators: Central Asia
United Nations Environment Programme

This report on 'Environmental Indicators for Central Asia' has been prepared to present the trends of twenty nine key indicators on air, water, land and biodiversity. It also presents trends on social and economic conditions through the selected indicators. Data have been collected for each indicator for each country in Central Asia for 1990, 1995 and 2000. This report provides an assessment of economic, social and environmental conditions in Central Asia based on available data and information. Lack of updated scientific database has been a major challenge in preparation of the report.


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2004