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Image from 21.06.2021 | last change: 17.12.2024

BAU-R-3: Investments in the energetic refurbishment of building envelopes

… energetic refurbishment of building envelopes Source: DIW (own analysis based on data from the construction statistics and construction activity statistics of the …

Image from 21.06.2021 | last change: 17.12.2024

BAU-R-2: Green roofs in cities

The illustration shows a biaxial diagram. For 2020 the green roof area in 15 cities with a population in excess of 500,000 inhabitants per square metre per inhabitant is illustrated by a bar chart. In addition, the percentage of green roof area in respect of the overall roof area examined is illustrated in dot form. In 2020 the green roof area amounted to 0.8 square metres per inhabitant and to approximately 10 per cent of the overall roof area examined.

… Source: CAU Kiel; Brockmann Consult GmbH (analysis of satellite images and of LOD2 data of the BKG) Download image (91.49 kB) The following contents contain this …

Image from 18.06.2021 | last change: 17.12.2024

BAU-I-1: Heat stress in urban areas – case study

Image from 16.06.2021 | last change: 17.12.2024

BD-I-2: Temperature index for bird species communities

… communities Source: Dachverband Deutscher Avifaunisten e.V. (own analysis of data from the monitoring of common breeding birds) Download image (92.95 kB) The …

Image from 11.08.2017 | last change: 06.05.2025

Fraction of population exposed to traffic noise

A graph shows the proportion of people exposed to traffic noise above 55 decibels during the day and above 50 decibels at night, as observed in the 2022 noise mappings. It differentiates between road, aircraft and rail traffic noise.

… Agency Download image (75.45 kB) Downloads: Figure as PDF (40.89 kB) Figure with data (42.05 kB) The following contents contain this medium: Indicator: Population …

Image from 08.08.2017 | last change: 19.12.2025

Greenhouse gas emissions avoided through the use of renewable energy sources

A graph shows the trend for greenhouse gas emissions avoided by the use of renewables for power, heat and transport. 28 million tonnes of CO2 equivalents were avoided in 1990, and 259 million tonnes in 2024.

… image (369.40 kB) Downloads: Figure as PDF (167.32 kB) Figure as Excel with data (45.14 kB) The following contents contain this medium: Indicator: Greenhouse …

Image from 15.06.2023 | last change: 26.09.2025

Population share exposed to particulate matter (PM2.5) above the WHO guideline/EU limit value

A graph shows the proportion of people in Germany affected by levels exceeding the WHO guideline value and the EU limit value for fine particulate matter (PM2.5) (legally binding from 2030) for the period from 2010 to 2023 – with a declining trend considering the EU limit value.

… image (231.88 kB) Downloads: Figure as PDF (107.52 kB) Figure as Excel with data (43.10 kB) The following contents contain this medium: Indicator: Population …

Image from 09.08.2017 | last change: 02.07.2025

Discrepancy between average pollutant concentrations and WHO recommendations ...

A graph for three air pollutants shows the extent to which the WHO recommendations from 2021 will be exceeded on average in urban areas between 2000 and 2024. The development of the various pollutants varies. Between 2000 and 2024, values for NO2 are between 172 and 28 percent, for ozone between 44 and 28 percent and for PM2.5 between 255 and 61 percent

… image (382.79 kB) Downloads: Figure as PDF (133.64 kB) Figure as Excel with data (43.98 kB) The following contents contain this medium: Indicator: Air quality …

Image from 11.08.2017 | last change: 20.06.2025

Percentage of German bathing waters that comply with the provisions of the Bathing Water Directive..

A graph shows good and sufficient bathing water quality levels for coastal and inland waters (1992 to 2024). Bathing water quality increased significantly, especially in the 1990s. The target value of 100 % bathing waters with at least sufficient quality was almost reached in 2015 and has been constantly at a high level since then.

… Download image (227.02 kB) Downloads: Figure as PDF (46.87 kB) Figure as Excel with data (44.70 kB) The following contents contain this medium: German bathing waters …

Image from 06.08.2024 | last change: 11.12.2024

WW-I-10: Water temperature of watercourses

Image from 05.08.2024 | last change: 11.12.2024

GE-I-6: Contamination of bathing waters by cyanobacteria burdens

… burdens Source: CAU Kiel/ Brockmann Consult GmbH (analysis of satellite data) Download image (102.25 kB) The following contents contain this medium: GE-I-6: …

Press release 18/2018 from 05.06.2018 | Last changed: 14.06.2018

Environmental performance of agriculture sector: still too many nutrients and chemicals

… unsolved, says the publication Daten zur Umwelt 2018. Umwelt und Landwirtschaft“ [Data on the Environment 2108 - Environment and agriculture] by the German … unsolved, says the publication Daten zur Umwelt 2018. Umwelt und Landwirtschaft“ [Data on the Environment 2108 - Environment and agriculture] by the German …