Global Environmental Outlook (GEO) Data Portal

The Global Environment Outlook (GEO) Data Portal was initiated in October 2000 to provide a comprehensive, reliable, and timely supply of data sets used by the United Nations Environment Programme (UNEP) and its partners in the GEO reports and other integrated environment assessments. Since then, the GEO Data Portal has matured into a unique data and information application which responds to the needs of the global environmental community for easy access to systematic and well-documented data on the environment, including the state of natural resources, as well as the societal driving forces and root causes of environmental change and degradation.

The GEO Data Portal is managed by DEWA/GRID-Geneva which is part of UNEP's global network of environmental information centres, known as the Global Resource Information Database (GRID).

The GEO Data Portal's online database holds more than 700 data sets representing over 400 unique variables. Data are provided as national, subregional, regional and global statistics or as geospatial data sets (maps), covering themes like Freshwater, Population, Forests, Emissions, Climate, Disasters, Health, and Gross Domestic Product (GDP). The data cover the time period from 1972-2002 where available. The GEO Data Portal offers users the option to: (1) draw, view and explore maps, graphs and tables online; (2) view documentation and other metadata; and/or (3) download data sets as Excel, PDF, CSV, XML or ARCINFO Shape files as appropriate.

Data from the GEO Data Portal are extracted by UNEP/DEWA/GRID-Geneva to produce another product, called the GEO-3 Data Compendium. The Compendium provides the major statistical data sets underlying the integrated analyses in the GEO reports. It is available online at [http://geocompendium.grid.unep.ch/] as well as on CD-ROM and as a printed publication.

The latest GEO report is GEO-3. This third edition complements the detailed assessment of the state of the global environment set out in GEO-2000.

The data sets held in the GEO Data Portal are derived from many different organizations and databases. These sources are listed at [http://geodata.grid.unep.ch/datasource.php]. In addition to providing readily available data sets, several institutions also have assisted in data processing. The data sources and providers are listed in the metadata that accompany each data set.

全球环境展望（Global Environment Outlook, GEO）数据门户于2000年10月启动，旨在为联合国环境规划署（United Nations Environment Programme, UNEP）及其合作伙伴开展GEO报告及其他综合环境评估工作所需的数据集，提供全面、可靠且及时的供应。

自此之后，GEO数据门户已发展为一款独特的数据与信息应用平台，可满足全球环境界的需求：便于获取系统化、文档记录完善的环境相关数据，涵盖自然资源状况、环境变化与退化的社会驱动因素及根本成因等内容。

GEO数据门户由DEWA/GRID-日内瓦负责运营，该机构隶属于UNEP的全球环境信息中心网络——全球资源信息数据库（Global Resource Information Database, GRID）。

GEO数据门户的在线数据库收录了700余套数据集，涵盖400余个独特变量。数据以国家、次区域、区域及全球统计数据，或地理空间数据集（地图）的形式提供，涵盖淡水、人口、森林、排放、气候、灾害、卫生及国内生产总值（Gross Domestic Product, GDP）等主题领域。现有数据的时间跨度为1972年至2002年。

GEO数据门户为用户提供以下可选功能：(1) 在线绘制、查看并探索地图、图表与表格；(2) 查看文档及其他元数据(metadata)；(3) 根据需求以Excel、PDF、CSV、XML或ARCINFO Shape文件格式下载数据集。

UNEP/DEWA/GRID-日内瓦会从GEO数据门户提取数据，以制作另一款产品——《GEO-3数据汇编》（GEO-3 Data Compendium）。该汇编提供了GEO报告中综合分析所依托的主要统计数据集，可通过[http://geocompendium.grid.unep.ch/]在线获取，同时也提供光盘版与印刷版出版物。

最新的GEO报告为GEO-3。该第三版对GEO-2000中开展的全球环境状况详细评估进行了补充完善。

GEO数据门户收录的数据集源自众多不同的机构与数据库，所有数据来源均列于[http://geodata.grid.unep.ch/datasource.php]页面。除提供现成可用的数据集外，还有多家机构协助开展了数据处理工作。各数据集附带的元数据中均列明了数据来源与提供者。