In our continuing efforts to provide the most reliable and current environmental information, the EarthTrends team has recently completed updates to 160 variables (both datasets and technical notes) in the EarthTrends searchable database. Click 'read more' and see below the appropriate research topic for a complete listing. If you have any questions, please don't hesitate to contact us.

Water Resources and Freshwater Ecosystems
Actual Renewable Water Resources: Total
Actual Renewable Water Resources: Per capita
Groundwater Withdrawals: Annual total
Groundwater Withdrawals: Annual per capita
Groundwater Withdrawals: Withdrawals as a percent of annual recharge
Internal Renewable Water Resources (IRWR): Total
Internal Renewable Water Resources (IRWR): Per capita
Internal Renewable Water Resources (IRWR): Groundwater recharge, volume
Internal Renewable Water Resources (IRWR): Groundwater recharge, per capita
Internal Renewable Water Resources (IRWR): Overlap
Internal Renewable Water Resources (IRWR): Surface water produced internally
Internal Renewable Water Resources (IRWR): Dependency ratio
Water Withdrawals: Annual total
Water Withdrawals: Annual per capita
Water Withdrawals: Withdrawals as a percent of internal water resources
Water Withdrawals: Percent used for agricultural purposes
Water Withdrawals: Percent used for domestic purposes
Water Withdrawals: Percent used for industrial purposes

Climate and Atmosphere
Air Pollution: Carbon monoxide emissions
Air Pollution: Nitrogen oxides emissions
Air Pollution: Non-methane VOC emissions
Air Pollution: Sulfur dioxide emissions
CO2: Cumulative emissions, 1900-2002 (source: WRI)
CO2: Emissions per capita (source: WRI)
CO2: Emissions per GDP
CO2: Total emissions including land use change (source: WRI)
CO2 by Source: Cumulative emissions from land use change (source: WRI)
Greenhouse Gas Emissions: Fluorinated gases
Greenhouse Gas Emissions: Methane (CH4)
Greenhouse Gas Emissions: Nitrous oxide (N2O)

Population, Health and Human Well-being
Children’s Health: Immunization rate for tuberculosis in one-year-olds
Children’s Health: Immunization rate for measles in one-year-olds
Children’s Health: Immunization rate for polio in one-year-olds
Children’s Health: Immunization rate for DPT in one-year-olds
Children’s Health: Oral rehydration therapy (ORT) use rate
Children’s Health: Stunting in children under 5—moderate and severe
Children’s Health: Underweight children under 5—moderate and severe
Children’s Health: Wasting in children under 5—moderate and severe
Children’s Health: Under-5 mortality rate
Children’s Health: Infant mortality rate
Children’s Health: Average annual reduction in under-5 mortality
Children’s Health: Skilled attendants at delivery
Demographics: Crude death rate
Demographics: Crude birth rate
Demographics: Total fertility rate
Demographics: Life expectancy at birth, both sexes
Demographics: Life expectancy at birth, females
Demographics: Life expectancy at birth, males
Demographics: Net number of migrants
Education: Average length of schooling, both sexes
Education: Average length of schooling, female
Education: Average length of schooling, male
Education: Primary school, gross enrollment ratio
Education: Primary school, gross female enrollment ratio
Education: Primary school, gross male enrollment ratio
Education: Primary school, net enrollment ratio
Education: Primary school, net female enrollment ratio
Education: Primary school, net male enrollment ratio
Education: Secondary school, gross enrollment ratio
Education: Secondary school, gross female enrollment ratio
Education: Secondary school, gross male enrollment ratio
Education: Secondary school, net enrollment ratio
Education: Secondary school, net female enrollment ratio
Education: Secondary school, net male enrollment ratio
Education: Gender parity ratio in gross enrollment, secondary education
Education: Tertiary school, gross enrollment ratio
Education: Tertiary school, gross female enrollment ratio
Education: Tertiary school, gross male enrollment ratio
Literacy: Literacy rate, all adults
Literacy: Literacy rate, adult females
Literacy: Literacy rate, adult males
Literacy: Female literacy rate as a percentage of male literacy rate
Literacy: Literacy rate, youth (age 15 to 24)
Literacy: Illiterate adults, number
Literacy: Illiterate females, number
Literacy: Illiterate males, number
Public Health: Malaria, reported cases
Public Health: Tuberculosis, incidence rate (per 100,000 people)
Public Health: Solid fuel use
Public Health: Per capita alcohol consumption
Public Health: Public health expenditures as % of total health expenditures
Public Health: Per capita total expenditure on health
Population: Total population, both sexes
Population: Total female population
Population: Total male population
Population: Below age 15, both sexes
Population: Between ages 15 and 65, both sexes
Population: Above age 65, both sexes
Population: Growth rate of total population
Population: Population density

Economics, Business, and the Environment
Financial Flows: Net inflows (sales-purchases) of Cross-Border Mergers and Acquisitions
Trade in Forest Products: Exports, value
Trade in Forest Products: Imports, value
Transnational Corporations: Number of foreign affiliates
Transnational Corporations: Number of parent enterprises

Energy and Resources
Resource Consumption: Paper and paperboard
Resource Consumption: Paper and paperboard consumption per capita

Agriculture and Food
Agricultural Production: Cereals, total area harvested
Agricultural Production: Cereals, total production
Agricultural Production: Roots and tubers, total area harvested
Agricultural Production: Roots and tubers, total production
Agricultural Production: Pulses, total area harvested
Agricultural Production: Pulses, total production
Agricultural Yields: Cereals, yields
Agricultural Yields: Roots and tubers, yields
Agricultural Yields: Pulses, yields
Agricultural Inputs: Fertilizer production
Agricultural Inputs: Fertilizer consumption
Agricultural Inputs: Fertilizer use intensity
Agricultural Inputs: Tractors in use
Agricultural Inputs: Tractor use intensity
Agricultural Inputs: Harvesters in use
Land: Arable and permanent cropland
Livestock: Buffalo stocks
Livestock: Camel stocks
Livestock: Cattle stocks
Livestock: Chicken stocks
Livestock: Duck stocks
Livestock: Equine (horses, mules, asses) stocks
Livestock: Goat stocks
Livestock: Sheep stocks
Livestock: Swine stocks
Livestock: Turkey stocks
Meat Production: Total meat production
Resource Consumption: Coffee consumption
Resource Consumption: Coffee consumption per capita
Trade in Agriculture: Coffee imports
Trade in Agriculture: Coffee exports

Forests, Grasslands and Drylands
Forest (Fuel) Production: Wood fuel
Forest (Paper) Production: Paper and paperboard
Forest (Paper) Production: Recovered paper
Forest (Wood) Production: Roundwood, industrial
Forest (Wood) Production: Sawnwood
Forest (Wood) Production: Roundwood, total
Forest (Wood) Production: Wood-based panels
Trade in Forest Products: Paper and paperboard, exports
Trade in Forest Products: Paper and paperboard, imports
Trade in Forest Products: Recovered paper, exports
Trade in Forest Products: Recovered paper, imports
Trade in Forest Products: Roundwood exports, value
Trade in Forest Products: Roundwood imports, value
Trade in Forest Products: Roundwood exports, quantity
Trade in Forest Products: Roundwood imports, quantity

Environmental Governance and Institutions
Civil Society: International non-governmental organizations with membership
Civil Society: Density of international non-governmental organizations with membership
Corruption: Corruption perceptions index (Transparency International)
Politics and Freedom: Civil liberties index (Freedom House)
Politics and Freedom: Level of freedom index (Freedom House)
Politics and Freedom: Political rights index (Freedom House)
Politics and Freedom: Press freedom index (Freedom House)