Center for International Earth Science Information Network (CIESIN)
Provides data and other information on the changing relationship between human beings and the environment. See especially the Socioeconomic Data and Applications Center
Centre for PRTR Data
Includes PRTR (Pollutant Release and Transfer Registers; USA version is the Toxic Release Inventory - TRI) data from selected OECD countries.
Environmental Data Explorer
(United Nations Environment Programme Data portal). Portal to a wealth of international and regional data on many aspects of the environment including agriculture, air quality, biodiversity, coral reefs, ecosystems, endangered and threatened species, emissions, erosion, forests, human settlements, land use, ozone, pesticides, and weather.
Gemstar Global Water Database
Surface and ground water quality data sets collected from the GEMS/Water Global Network, including more than 3,000 stations, close to four million records, and over 100 parameters.
Long term measurements of energy, water vapor, carbon dioxide, and energy from a variety of global ecosystms
Intergovernmental Panel on Climate Change (IPCC) Socio-economic Centre
Data related to population, economic development, technology and natural resources for use in climate impact assessments.
International Energy Agency
Detailed international data on coal, electricity, natural gas, oil, renewables, carbon dioxide emissions from fuel combustion, energy prices and taxes, energy technology research and development, world energy statistics and balances, and forecasts from energy policies.
Examines alternative outcomes for emissions, climate change, and damages under different policy scenarios. It uses an updated version of the RICE model (Regional Integrated model of Climate and the Economy.
World Bank Climate Change Data
Large collection of climate change data from the world bank, from forest areas to CO2 emissions to urban populations.
World Bank. Data and Statistics. Environment
Various international, regional, and country data on various aspects of the environment.
World Input-Output Database (WIOD)
Time series of world input-output tables and international supply and use tables; national input-output tables and national supply and use tables; socio-economic accounts; and environmental accounts for 27 EU countries and 13 other major countries in the world for 1995 to 2009.
World Resources Institute
Flagship publication is World Resources Report which provides an overview of environmental trends. Includes many data tables and datasets.