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Cyanobacteria (blue-green algae) bloom on Lake Erie (United States) in 2009. These kinds of algae can cause harmful algal bloom. A harmful algal bloom (HAB), or excessive algae growth, sometimes called a red tide in marine environments, is an algal bloom that causes negative impacts to other organisms by production of natural algae-produced toxins, water deoxygenation, mechanical damage to ...
If hydrogen cyanide is inhaled, it can cause a coma with seizures, apnea, and cardiac arrest, with death following in a matter of seconds.At lower doses, loss of consciousness may be preceded by general weakness, dizziness, headaches, vertigo, confusion, and perceived difficulty in breathing.
The microcystin-producing Microcystis is a genus of freshwater cyanobacteria and thrives in warm water conditions, especially in stagnant waters. [7] The EPA predicted in 2013 that climate change and changing environmental conditions may lead to harmful algae growth and may negatively impact human health. [ 20 ]
neurological function7–9 and lower IQ scores10 compared with other children. Also, children exposed to high levels of nitrogen dioxide—a common air pollutant generated by the burning of fossil fuels—have been found to have “de-creases of 6.71, 7.37 and 8.61 points in quanti-tative, working memory and gross motor areas, respectively.”11
or the increasingly popular membrane technology that is mercury free and more energy-efficient. Worldwide there are approximately fifty mercury cell chlor-alkali plants in operation [1]. Of those there are eight in the United States (US) [2]. In 2003 the EPA reported in the Federal Register that on average approximately seven tons of mercury
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24/7 Wall St. compiled data from government agencies and the organizations associated with these "extreme" activities to determine which had the highest rates of accident and death.
While more truck drivers (885) and farmers (252) died that year while on duty, loggers had the highest number of deaths per 100,000 workers: 132.7. That is more than double the second highest ...