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安裝中文字典英文字典辭典工具!
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- Pollutant - Wikipedia
A pollutant or novel entity[1] is a substance or energy introduced into the environment that has undesired effect, or adversely affects the usefulness of a resource These can be both naturally forming (i e minerals or extracted compounds like oil) or anthropogenic in origin (i e manufactured materials or byproducts) Pollutants result in environmental pollution or become of public health
- Environmental impact of concrete - Wikipedia
The environmental impact of concrete, its manufacture, and its applications, are complex, driven in part by direct impacts of construction and infrastructure, as well as by CO 2 emissions; between 4-8% of total global CO 2 emissions come from concrete [1] Many depend on circumstances A major component is cement, which has its own environmental and social impacts and contributes largely to
- Plastic pollution - Wikipedia
In the marine environment, plastic pollution causes "Entanglement, toxicological effects via ingestion of plastics, suffocation, starvation, dispersal, and rafting of organisms, provision of new habitats, and introduction of invasive species are significant ecological effects with growing threats to biodiversity and trophic relationships
- Pollution from nanomaterials - Wikipedia
Nanomaterials can be both incidental and engineered Engineered nanomaterials (ENMs) are nanoparticles that are made for use, are defined as materials with dimensions between 1 and 100nm, for example in cosmetics or pharmaceuticals like zinc oxide and TiO 2 as well as microplastics [1] Incidental nanomaterials are found from sources such as cigarette smoke and building demolition [2
- Air pollution - Wikipedia
Air pollution is the presence of substances in the air that are harmful to humans, other living beings or the environment Pollutants can be gases, like ozone or nitrogen oxides, or small particles like soot and dust Both outdoor and indoor air can be polluted
- List of pollution-related diseases - Wikipedia
This is in part because pollution causes so many diseases that it is often difficult to draw a straight line between cause and effect There are many types of pollution-related diseases, including those caused by air pollution, contaminated soil, water pollution and lacking water, sanitation and hygiene (WASH) Air pollution can be reduced
- Pollution - Wikipedia
Pollution is the introduction of contaminants into the natural environment that cause harm [1] Pollution can take the form of any substance (solid, liquid, or gas) or energy (such as radioactivity, heat, sound, or light) Pollutants, the components of pollution, can be either foreign substances energies or naturally occurring contaminants
- Particulate pollution - Wikipedia
Particulate pollution is pollution of an environment that consists of particles suspended in some medium There are three primary forms: atmospheric particulate matter, [1] marine debris, [2] and space debris [3] Some particles are released directly from a specific source, while others form in chemical reactions in the atmosphere
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