Objective: to supply reliable and coherent information gauging the economic and environmental impact concerning water in socio-economic and national development.

Variables studied: water collection by type, user. Collection and treatment of waste water, treatment plants.

Conducted since: 1996. Available since 1996.

Objective: to provide data on the complete set of activities comprising the entire water cycle and regarding water uses in the agrarian sector.

Variables studied: granting of water by type; water acquired and supplied by groups of watering operatives; distribution of water to farmed land by crop type and watering techniques.

Conducted since: 1999. Available since 1999.

Objective: to provide data on the complete set of activities comprising the entire water cycle and regarding water uses in the industrial sector.

Variables studied: supply and treatment of water by type and economic activity.

Estudios realizados: solo para 1999.

Objective: to quantify waste generated in those economic activities classified as industrial

Variables studied: waste generated by economic activity, type of waste and hazard posed.

Conducted since: 1999. Available since 1999.

Objective: to quantify waste generated in those economic activities classed as service-sector

Variables studied: waste generated by economic activity, type of waste and hazard posed.

Conducted since: 1999. Available since 1999.

Objective: to quantify waste generated in the sectors studied and to provide supporting information for compiling economic and environmental accounts.

Variables studied: Waste by type and hazard posed; economic data and that pertaining to the activity of companies in the sector.

Se han realizado dos estudios piloto: pesca y acuicultura (2004-2005) y agricultura (2003-2005).

Objective: to provide data regarding the rendering of services relating to the cleaning of public highways and collection and treatment of urban solid waste, mixed waste and selectively collected waste.

Variables studied: urban waste collected by type and treatment received.

Conducted since: 1998. Available since 1998.

Objective: to provide data on activities relating to waste management: waste collection and transportation, transfer centres, waste treatment, recycling and disposal.

Variables studied: waste managed by type and treatment applied. Products obtained.

Conducted since: 2002. Available since 2002.

Objective: to appraise expenditure by companies in the industrial sector to reduce or cut out emissions of atmospheric pollutants and noise pollution, in the treatment of waste water and solid waste generated, and in order to be able to use less polluting raw materials, and in lower quantities.

Variables studied: environmental protection expenses by economic activity.

Conducted since: 2000. Available since 2000.

Objective: to synthesise and represent the Environmental Situation, as well as its trends.

Variables studied: the most relevant indicators of the Sixth Community Action Programme regarding the Environment. Greenhouse gases, water as a renewable natural resource and waste management are addressed.

Conducted since: 1995. Available since 1995.

Objective: To compile the satellite accounts of the environment in the framework of national accounts in the following areas: water, atmospheric emissions, woodland, natural resources.

Variables studied: different relevant variables by sector.

Conducted since: 1995. Available since 1995.

Objective: To obtain indicators that measure the concept of sustainable development and to introduce these indicators into the structural indicators system of the European Council.

Variables studied: Set of variables relating to socio-economic development, consumption and sustainable production, social inclusion, demographic changes, public health, climate change and energy, sustainable transport, natural resources, world association and good governance.

Studies conducted: year 2008, including data collated since 1994.

Objective: study the habits, consumption trends and attitudes of households as regards the environment

Variables studied: variables related to water, energy, waste, equipment and their use relating to the environment, noise and bad smells, transport and mobility, lifestyles and consumption trends.

Studies conducted: year 2008.

Objective: analysis of areas, performance and production of the different crops to gain an insight into the actual nature of agriculture.

Variables collected: fires and area affected.

Available summary only since 1992. Complete information, see source.

Objective: to present summary data on Spanish parks.

Variables collected: area, ownership, visitors.

Available: summary only since 1989. Complete information, see source.