enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Soil contamination - Wikipedia

    en.wikipedia.org/wiki/Soil_contamination

    Soil pollution can be caused by the following (non-exhaustive list): Contaminated by rocks containing large amounts of toxic elements. Contaminated by Pb due to vehicle exhaust, Cd, and Zn caused by tire wear. Contamination by strengthening air pollutants by incineration of fossil raw materials.

  3. Agricultural pollution - Wikipedia

    en.wikipedia.org/wiki/Agricultural_pollution

    Agricultural pollution refers to biotic and abiotic byproducts of farming practices that result in contamination or degradation of the environment and surrounding ecosystems, and/or cause injury to humans and their economic interests. The pollution may come from a variety of sources, ranging from point source water pollution (from a single ...

  4. Sustainable food system - Wikipedia

    en.wikipedia.org/wiki/Sustainable_food_system

    The large environmental impact of agriculture – such as its greenhouse gas emissions, soil degradation, deforestation and pollinator decline effects – make the food system a critical set of processes that need to be addressed for climate change mitigation and a stable healthy environment. A sustainable food system is a type of food system ...

  5. Environmental impact of agriculture - Wikipedia

    en.wikipedia.org/wiki/Environmental_impact_of...

    The environmental impact of agriculture involves impacts on a variety of different factors: the soil, water, the air, animal and soil variety, people, plants, and the food itself. Agriculture contributes to a number larger of environmental issues that cause environmental degradation including: climate change, deforestation, biodiversity loss ...

  6. Greenhouse gas emissions from agriculture - Wikipedia

    en.wikipedia.org/wiki/Greenhouse_gas_emissions...

    The amount of greenhouse gas emissions from agriculture is significant: The agriculture, forestry and land use sectors contribute between 13% and 21% of global greenhouse gas emissions. [2] Emissions come from direct greenhouse gas emissions (for example from rice production and livestock farming). [3] And from indirect emissions.

  7. Nutrient pollution - Wikipedia

    en.wikipedia.org/wiki/Nutrient_pollution

    Nutrient pollution, a form of water pollution, refers to contamination by excessive inputs of nutrients. It is a primary cause of eutrophication of surface waters (lakes, rivers and coastal waters), in which excess nutrients, usually nitrogen or phosphorus, stimulate algal growth. [1] Sources of nutrient pollution include surface runoff from ...

  8. Eutrophication - Wikipedia

    en.wikipedia.org/wiki/Eutrophication

    e. Eutrophication is a general term describing a process in which nutrients accumulate in a body of water, resulting in an increased growth of microorganisms that may deplete the water of oxygen. [1][2] Eutrophication may occur naturally or as a result of human actions. Manmade, or cultural, eutrophication occurs when sewage, industrial ...

  9. Sustainability and environmental management - Wikipedia

    en.wikipedia.org/wiki/Sustainability_and...

    At the global scale sustainability and environmental management involves managing the oceans, freshwater systems, land and atmosphere, according to sustainability principles. [1][2] Land use change is fundamental to the operations of the biosphere because alterations in the relative proportions of land dedicated to urbanisation, agriculture ...