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  • Article from 04.03.2024 | Last changed: 04.03.2024

    Pollutant emissions into surface waters

    Picture from river in Germany

    … amount of information (data) is required to quantify diffuse pollutant emissions. Examples are: data on atmospheric deposition to estimate emissions directly onto … amount of information (data) is required to quantify diffuse pollutant emissions. Examples are: data on atmospheric deposition to estimate emissions directly onto …

  • Article from 03.11.2020 | Last changed: 04.11.2020

    What does the Corona crisis mean for environmental policy?

    the Coronavirus

    … has already triggered quite a few things, including for environmental policy. For example, the temporary lockdown in numerous countries showed that CO 2 emissions can … environmental policy arise from it – in the course of the economic recovery, for example, instruments that would be harmful to the environment, such as the purchase … has already triggered quite a few things, including for environmental policy. For example, the temporary lockdown in numerous countries showed that CO 2 emissions can …

  • Article from 15.12.2021 | Last changed: 17.12.2021

    Accelerating global climate action by 2030

    … results are designed to support scientific policy advise and climate diplomacy, for example among the G20 countries. The first step of the project summarizes existing … results are designed to support scientific policy advise and climate diplomacy, for example among the G20 countries. The first step of the project summarizes existing …

  • Article from 04.09.2025 | Last changed: 04.09.2025

    Organic farming

    Close-up of an organically grown apple

    … or more animals must be kept to produce the same amount of grain or milk, for example. This is relevant, for example, when assessing the climate protection performance of organic farming. This … organic farming varies in importance depending on the federal state. While, for example, in Baden-Württemberg, Brandenburg, Saarland, Hesse, and Mecklenburg-Western …

  • Article from 06.06.2014 | Last changed: 16.01.2024

    Toward ecofriendly farming

    Hilly terrain with fields and forests

    … that some sources of pollution are not adequately regulated by current laws. For example, Germany’s fertilizer regulations currently contain no provisions limiting … that some sources of pollution are not adequately regulated by current laws. For example, Germany’s fertilizer regulations currently contain no provisions limiting …

  • Article from 27.08.2025 | Last changed: 27.08.2025

    Nitrogen

    A tractor spreading fertilizer on a field

    … of nitrogen in water bodies leads to an increase in primary plant production, for example algae. This in turn can lead to a significant oxygen deficiency in the water … of requirements for the proper application of farm manure and urea fertilizers. For example, farm manure must be worked into the soil on uncultivated farmland … Ammonia also has a damaging effect on adjacent ecosystems. Mosses and lichens, for example, react to even low atmospheric concentrations of ammonia with changes in …

  • Article from 29.04.2016 | Last changed: 29.04.2016

    Flame retardants in products

    a burning laptop

    … and its designated use. Products, in which flame retardants are applied, are for example the casings of electrical and electronic devices, printed circuit boards, … dioxins and furans from polybrominated diphenyl ethers (PBDE) during a fire is an example for this. Associated content Publications Answers to frequently asked … and its designated use. Products, in which flame retardants are applied, are for example the casings of electrical and electronic devices, printed circuit boards, …

  • Article from 28.08.2025 | Last changed: 29.08.2025

    Compost and sewage sludge

    A yellow wheel loader implements composting in a composting plant.

    … The quantities of biowaste and sewage sludge that may be applied are limited. For example, a maximum of five tons of dried sewage sludge per hectare may be applied … The quantities of biowaste and sewage sludge that may be applied are limited. For example, a maximum of five tons of dried sewage sludge per hectare may be applied …

  • Article from 28.08.2025 | Last changed: 29.08.2025

    Fertilizer

    Großaufnahme eines Traktors, der auf einem Feld Gülle ausfährt

    … also contain heavy metals that are not needed by plants. These include, for example, lead, cadmium, nickel, mercury, arsenic, and uranium in varying amounts. … (especially zinc and copper, and in pig manure also arsenic) can be caused, for example, by additives used in animal feed. All heavy metals are toxic in high … Practice in Fertilization (Fertilizer Ordinance, DüV). These include, for example, regulations for determining fertilizer requirements, application times, …

  • Article from 08.09.2025 | Last changed: 08.09.2025

    Pesticides

    Spray device on the tractor

    … neighboring riparian habitats or water bodies both when applied to the field, for example through drift of spray agents or contaminated seed dust, and later through … neighboring riparian habitats or water bodies both when applied to the field, for example through drift of spray agents or contaminated seed dust, and later through …

  • Article from 17.07.2024 | Last changed: 18.07.2024

    Water Reuse

    … risks can also arise from “indirect water reuse” (or “de facto reuse”) for example when surface water that contains large shares of treated wastewater … risks can also arise from “indirect water reuse” (or “de facto reuse”) for example when surface water that contains large shares of treated wastewater …

  • Article from 08.10.2021 | Last changed: 16.07.2025

    Joint research project on decentralized water reuse

    Taking lysimeter cores in a field to analyze water balance and transport processes.

    … causing acute regional water shortages which can lead to competition for water, for example between drinking water supply and agricultural irrigation. Decentralized … causing acute regional water shortages which can lead to competition for water, for example between drinking water supply and agricultural irrigation. Decentralized …