Indicator database

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    Load factors for freight transport

    Loads of hazardous substances to coastal waters

    Marine phenology

    Marine trophic index of European seas

    Mountain permafrost

    Municipal waste generation, total

    Total Municipal waste consists of waste generated by households primarily, but may also include similar wastes generated by small businesses and public institutions and collected by the municipality.

    (Source Eurostat,

    Municipal waste generation — outlook from EEA

    The outlook indicator presents total municipal waste generation and by type of waste (paper and cardboard, glass, waste oils and used tires, packaging). It is expressed as index of waste generated in 2000. According to the definition from Eurostat municipal waste refers to waste collected by or on behalf of municipalities; the main part originates from households, but waste from commerce and trade, office buildings, institutions and small businesses is also included.

    Municipal waste generation — outlook from OECD

    The indicator presents the outlook of total amount of generated municipal waste per year by regions: Central and Easter Europe, Western Europe and non-OECD countries. The total % change from 1995 to 2020 allows to compare regional performance.

    Source:, retrieved on 14-04-2015.

    National river classification schemes

    National transport and environment monitoring systems

    Nationally designated areas

    Areas designated under national legislation for the purpose of nature protection including sites such as national parks and nature reserves.

    Net energy import dependency

    This indicator meaures total net imports (imports minus exports) of natural gas, solid fuels and oil (including petroleum products) as a share of primary energy consumption.

    Source:, retrieved on 14-04-2015.

    Nitrogen oxides emissions

    Nitric oxide (NO) and nitrogen dioxide (NO2) are together referred to as nitrogen oxides (NOX). Combustion of fossil fuels is by far the dominant source of NOX emissions. The emissions are not dependent solely on the amount of nitrogen in the fuel but also on the air - fuel mix ratio. High temperatures and oxidation-rich conditions generally favour NOX formation in combustion.NOX contributes to acid deposition and eutrophication which in turn can lead to potential changes occurring in soil and water quality.

    Non-methane volatile organic compounds emissions

    Non-methane volatile organic compounds (NMVOCs) are a collection of organic compounds that differ widely in their chemical composition but display similar behaviour in the atmosphere. NMVOCs are emitted into the atmosphere from a large number of sources including combustion activities, solvent use and production processes. NMVOCs contribute to the formation of ground level (tropospheric) ozone. In addition, certain NMVOC species or species groups such as benzene and 1,3 butadiene are hazardous to human health.

    Normalised losses from river flood disasters

    Northward movement of marine species

    Nuclear energy and waste production

    The indicator measures spent nuclear fuel arising from nuclear electricity production in the Member States that had nuclear powered electricity production capacity between 1990 and 2009 (data for Bulgaria missing). It provides an indication of the situation of radioactive waste accumulation and storage.

    Source:, retrieved on 14-04-2015.

    Nutrients in freshwater

    This indicator shows concentrations of orthophosphate and nitrate in rivers, total phosphorus in lakes and nitrate in groundwater bodies. The indicator can be used to illustrate geographical variations in current nutrient concentrations and temporal trends.

    Source:, retrieved on 14-04-2015.

    Nutrients in transitional, coastal and marine waters

    The indicator shows 1) annual winter concentrations (micromol/l); 2) classification of concentration levels (i.e. low, moderate, high) and 3) trends in winter oxidised nitrogen (nitrate + nitrite) and phosphate concentration (micromol/l)in the regional seas of Europe.

    Source:, retrieved on 14-04-2015.

    Occupancy rates of passenger vehicles