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2 Agenda 21 Implementation: Progress, Challenges, and the Role of Geographic Information
Pages 18-28

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From page 18...
... UNCED (United Nations Conference on Environment and Development)
From page 19...
... data for sustainable development. Geographic data describe spatial variations across the landscape at a 1 Geography is an integrative discipline that brings together the physical and human dimensions of the world in the study of people, places, and environments.
From page 20...
... Environmentally sound management of solid wastes and sewage-related issues 22. Safe and environmentally sound management of radioactive wastes *
From page 21...
... and include such elements as climate, elevation, soil, vegetation, population, land use, and economic activity. The report draws on experiences in African countries and examines how future sources and applications of geographic data could provide reliable support to decision-makers2 as they work towards sustainable development.
From page 22...
... ~2 Hill $ /~{ ~' AigeMa j Libya 11 11111 1~1~aurkania} ~1,l~l~l~l~! l~l~l~ ~~11llllllll~lllllllll~lllI)
From page 23...
... options for making efforts sustainable beyond 2002. The geographic foundation for Agenda 21 in Africa involves a wide array of geographic data, tools, and perspectives (including social, environmental, and economic data; maps and models; and the analysis of pattern and processes, place anct scale)
From page 24...
... . In this example the venous thematic layers consist of remotely sensed data (from Landsat Thematic Mapper)
From page 25...
... Geographic information systems are powerful tools for ingesting, storing, retrieving, transforming, processing, and displaying geographic data (Burrough, 1986~. If a GIS involves the integration of geographically referenced data in a problem-solving situation, it can become important for decision-making, or a "decision-support system" (Cower, 1988~.
From page 26...
... . Data on products of industry and input raw materials Land degradation · Land-use data (to enforce land-use practices, ensure · Distribution of land cover security of tenure, combat desertification)
From page 27...
... . geographic data and tools to sustainable development challenges in Alr1ca are discussed throughout the report.
From page 28...
... 28 DOWN TO EARTH discuss data for managing contagious and vector-borne disease (e.g., Malaria) , famine early warning, and early warning systems in forestry and livestock management.


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