Abatement
Abiotic
Absorption
Access
Access rights
Accessibility
Account
Accountability
Accounting conventions
Accrual accounting
Accumulation accounts
Accuracy
Accuracy of register-based vital statistics
Accuracy of registration
Acid Deposition
Acid Precipitation
Acid Rain
Acidification
Acquisition - time of
Acquisitions
Activated Carbon
Activated Sludge
Activation
Active Ingredient (in pesticides)
Actual final consumption of general government
Actual final consumption of households
Actual final consumption of NPISHs
Actual individual consumption
Actual social contributions
Adaptation
Adapted Products
Additivity
Adjusted disposable income
Adjustment
Adjustment for the change in the net equity of households in pension fund reserves
Administered item
Administration record
Administrative data
Administrative source
Adoption
Adsorption
Advanced Treatment Technology (waste water)
Aeration
Aeration Tank
Aerobic
Aerobic Biological Oxidation
Aerosol
Aerosol Propellant
Afforestation
Afterburner
Age (2 definitions)
Age in completed years
Agency
Agenda 21
Agent Orange
Age-specific fertility rates
Aggregated data
Aggregates of the SNA
Aggregation
Agricultural Land
Agricultural Pollution
Agricultural Run-off
Agricultural Waste
Agriculture, hunting, forestry and fishing
Agroecology
Agroforestry
Agrology
Agronomy
Air Basin
Air Contaminant
Air Curtain
Air Filter
Air Pollutants
Air Pollution
Air Pollution Control
Air Pollution Episode
Air Pollution Index (API)
Air Pollution Sources
Air Quality Criteria
Air Quality Index
Air Quality Monitoring
Air Quality Standards
Airborne Disease
Airborne Particulates
Air-conditioning
Aitken Nuclei
Alar
Aldrin
Algae
Algal Bloom
Algicide
Alkalinity
Alkalinization
Allergy
Allocation of primary income account
Allotrophic
Allowable catch
Alpine Area
AMA rate
Ambient
Ambient Concentration
Anadromous Species
Anaerobic
Anaerobic Biological Treatment
Anaerobic Decomposition
Anaerobic Respiration
Analytical framework
Analytical unit (2 definitions)
Ancenstry-based settlers
Ancillary Activity (2 definitions)
Ancillary corporation
Annual growth rate
Annulment
Antagonism
Antarctic Ozone Hole
Antiques and other art objects
API
Apparent Consumption
Appgar score
Appropriate Technology
Aquaculture
Aquifer
Archipelago
Area sampling
Area Source
Arid Zone
Artificial Recharge
Artificial Water Impoundment
Artificial Watercourse
Asbestos
Asbestosis
A-scale Sound Level
Assets (2 definitions)
Assimilation
Association
Asylum-seekers
Atmosphere
Atmospheric Absorption
Atmospheric Assimilation
Atmospheric Dispersion
Atomic Energy
Atomic Wastes
Attachment level
Attendant at birth
Attenuation
Attribute
Attrition
Automobile Air Pollution
Autonomous pension funds
Availability of data
Avoidance Costs
