Appendix (explanation of symbols in tables)
Environmental Indicators for Latvia
| Socio-Economic Developments | P | Industrial accidents of transboundary importance; Population; GDP |
| R | Environmental expenditures as a share of GDP; Environmental education, public awareness; Environmental policy and economic instruments; EIA; Monitoring networks: structure | |
| Climate Change | P | Energy consumption; Total CH4 and CO2 emissions |
| S | ||
| R | ||
| Ozone Depletion | P | Share of products and equipment using ODS |
| S | ||
| R | ||
| Acidification | P | Emissions of SO2, NOx, NH3, CxHy, particles from stationary sources; Transboundary transport of S and N; Number of transport vehicles by type |
| S | Air quality: Trends of NOx concentration and number of cars; NO2 concentrations | |
| R | Targets for SO2 and NOx emissions | |
| Tropospheric Ozone | P | Total CO and NMVOC emissions |
| S | Ozone concentrations | |
| R | ||
| Land | P | Manure & lime use; Use of fertilizers |
| S | Background content of heavy metals in soils by type; Soil quality | |
| R | ||
| Marine & Coastal Environment | P | Waste water discharges, total and by degree of treatment; Annual discharges of P, N, detergents, oils; Pollution load (N, P, & BOD) to the Baltic Sea |
| S | N, P conc. in the Gulf of Riga; Conc. of chlorophyll-A in the Gulf of Riga | |
| R | ||
| Biodiversity Loss | P | |
| S | Number of noble trees, by species; Number of wolf, lynx, & otter | |
| R | Number of plant and animal species under special protection (Red book) vs. total number of species | |
| Forests | P | Timber felling |
| S | Trends in total forest stand volume | |
| R | Trends in reforestation | |
| Eutrophication & Water Quality | P | Waste water discharges, total and by degree of treatment; Annual discharge of P, N, detergents, oils; Water abstraction; Use of fertilizers; Trends in waste water discharge (total BOD, total N) |
| S | N, P conc. in the Gulf of Riga; Total P & N in Salaca & Lielupe rivers; Background content of heavy metals in soils by type | |
| R | Share of urban population connected to centralized water supply; Waste water treatment plants | |
| Water Resources & Quantity | P | |
| S | Number of lakes and rivers; Share of ground and surface water suitable for drinking water abstraction | |
| R | ||
| Urban Air Quality | P | Air emission from stationary sources in cities, total |
| S | ||
| R | ||
| Urban Population, Land Use & Transport | P | Total urban and rural population: state and trends |
| S | ||
| R | ||
| Waste & Noise | P | Hazardous waste generation; Household waste generation, total and per capita; Trends in municipal waste disposal; Municipal waste amount per resident |
| S | ||
| R | Goal for packaging materials re-use; Recycling |