Percentage rural
Percentage urban
Flux (in nuclear science)
Tertiary Treatment
Biological Spectrum
Agronomy
Cybernetics
Ethology
Eugenics
Microbiology
Biodiversity Convention
Semantics
Unit response rate
Compilation of vital statistics data
Repatriating refugees
Education level
Ekistics
Debt-for-nature Swap
Environmental Impact Assessment (EIA)
Environmental Impact Statement
UNEP
Computer software
Cost-benefit Analysis
Hydrology
Objectives
Official statistics
Shares of GDP
Entertainment, literary or artistic originals
Subsidy on a product
Tax on a product
Taxes on lotteries, gambling and betting
Timeliness in register-based vital statistics
Secondary Treatment
Dissolved Oxygen (DO)
Fertilizers
Earthwatch
World Conservation Strategy
Population aged 0-14
Population aged 12-14
Population aged 15-17
Population aged 15-24
Population aged 15-59
Population aged 15-64
Population aged 18-23
Population aged 5-14
Population aged 6-11
Population aged 60 or over
Population aged 65 or over
Population aged 80 or over
Population aged 0-4
Population growth rate
Women aged 15-49