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A coal-fired power plant with ash ponds. Coal ash, also known as coal combustion residuals (CCRs), is the mineral residue that remains from burning coal. Exposure to coal ash and to the toxic substances it contains may pose a health risk to workers in coal-fired power plants and residents living near coal ash disposal sites.
The Mpumalanga highveld in South Africa is the most polluted area in the world due to the mining industry and coal plant power stations [37] and the lowveld near the famous Kruger Park is under threat of new mine projects as well. [38] Illustration of air pollutants generated by U.S. power plants (includes both coal-fired and oil-fired plants)
Carbon capture and storage (CCS) can be used to capture carbon dioxide from the flue gas of coal power plants and bury it securely in an underground reservoir. Between 1972 and 2017, plans were made to add CCS to enough coal and gas power plants to sequester 161 million tonnes of CO 2 per year, but by 2021 98% of these plans had failed. [169]
The plant is poisonous, containing cardiostimulant compounds such as adonidin and aconitic acid. [42] Aesculus hippocastanum: horse-chestnut, buckeye, conker tree Sapindaceae: All parts of the raw plant are poisonous due to saponins and glycosides such as aesculin, causing nausea, muscle twitches, and sometimes paralysis. [43] Agave spp.
Phytotoxicity describes any adverse effects on plant growth, physiology, or metabolism caused by a chemical substance, such as high levels of fertilizers, herbicides, heavy metals, or nanoparticles. [1] General phytotoxic effects include altered plant metabolism, growth inhibition, or plant death. [2]
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The piles also create a fire hazard, with the potential to spontaneously ignite. Because most coal refuse harbors toxic components, it is not easily reclaimed by replanting with plants like beach grasses. [4] [5] Gob has about four times as much toxic mercury and more sulfur than typical coal. [2] Culm is the term for waste anthracite coal. [2]
Kurt Vonnegut in an interview compared the function of artists in human society to coal-mine canaries; see Wikiquote. [21] "Canary in a Coalmine" is the title of a non-single track on The Police's 1980 album Zenyatta Mondatta. [22] "Canary in a Coalmine" is the title of a non-single track on The Crane Wives’ 2012 album The Fool in Her Wedding ...