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Water pollution is the contamination of water bodies, usually as a result of human activities, so that it negatively affects its uses. Water bodies include lakes, rivers, oceans, aquifers, reservoirs and groundwater. Water pollution results when contaminants mix with these water bodies. Contaminants can come from one of four main sources: sewage discharges, industrial activities, agricultural activities, and urban runoff including stormwater. Water pollution is either surface water pollution or groundwater pollution. This form of pollution can lead to many problems, such as the degradation of aquatic ecosystems or spreading water-borne diseases when people use polluted water for drinking or irrigation. Another problem is that water pollution reduces the ecosystem services that the water resource would otherwise provide.
Menachem Elimelech is the Sterling Professor of Chemical and Environmental Engineering at Yale University. Elimelech is the only professor from an engineering department at Yale to be awarded the Sterling professorship since its establishment in 1920. Elimelech moved from the University of California, Los Angeles (UCLA) to Yale University in 1998 and founded Yale's Environmental Engineering program.
Presented annually since 1991, the Stockholm Water Prize is an award that recognizes outstanding achievements in water related activities. Over the past three decades, Stockholm Water Prize Laureates have come from across the world and represented a wide range of professions, disciplines and activities in the field of water.
The American Academy of Environmental Engineers and Scientists (AAEES) is a society of professional engineers and scientists who have demonstrated special expertise in environmental engineering or science beyond that normally required for professional practice. The principal purpose of the Academy is serving the public by improving the practice, elevating the standards, and advancing public recognition of environmental engineering and science through a program of specialty certification, similar to that used in healthcare and other professions.
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Donald Robert Fergusson Harleman was an American civil engineer noted for his research of the flow of contaminants through water and harbor cleanup efforts around the world. Harleman was credited with cleanup efforts of harbors around the world: Australia, Brazil, China, India, and Mexico, among others. He advised government agencies on the Boston Harbor cleanup. Harleman was elected to the National Academy of Engineering in 1974 "for leadership in the development of theoretical and experimental techniques in the field of fluid mechanics". The Boston Globe called Harleman "an internationally recognized civil engineer in the field of water quality and waste treatment". The New York Times said that Harleman "was regarded as a leader in fluid mechanics" and said he was "water pollution expert who aided cleanups worldwide". Harleman was Ford Professor of Civil Engineering and Director of Ralph M. Parsons Laboratory at the Massachusetts Institute of Technology.
Paul Younger was a British hydrogeologist, environmental engineer and writer. He worked both on water resources, and water pollution.
Johannes "Hans" van Leeuwen is educator, engineer, inventor, researcher, and entrepreneur. He is an emeritus professor of Civil, Construction and Environmental Engineering at Iowa State University and an entrepreneur in ethanol co-product development. His research and innovations have worked to solve various problems including, new water purification methods, a way of creating food and animal feed from waste, and a process in making the purest alcohol ever made.
Nanoremediation is the use of nanoparticles for environmental remediation. It is being explored to treat ground water, wastewater, soil, sediment, or other contaminated environmental materials. Nanoremediation is an emerging industry; by 2009, nanoremediation technologies had been documented in at least 44 cleanup sites around the world, predominantly in the United States. In Europe, nanoremediation is being investigated by the EC funded NanoRem Project. A report produced by the NanoRem consortium has identified around 70 nanoremediation projects worldwide at pilot or full scale. During nanoremediation, a nanoparticle agent must be brought into contact with the target contaminant under conditions that allow a detoxifying or immobilizing reaction. This process typically involves a pump-and-treat process or in situ application.
Groundwater pollution occurs when pollutants are released to the ground and make their way into groundwater. This type of water pollution can also occur naturally due to the presence of a minor and unwanted constituent, contaminant, or impurity in the groundwater, in which case it is more likely referred to as contamination rather than pollution. Groundwater pollution can occur from on-site sanitation systems, landfill leachate, effluent from wastewater treatment plants, leaking sewers, petrol filling stations, hydraulic fracturing (fracking) or from over application of fertilizers in agriculture. Pollution can also occur from naturally occurring contaminants, such as arsenic or fluoride. Using polluted groundwater causes hazards to public health through poisoning or the spread of disease.
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Perry L. McCarty was an American scientist and professor of environmental engineering. He is best known for his contributions to the environmental engineering profession through education, research, and service to government and industry. McCarty passed on June 4, 2023.
John A. Cherry is the recipient of the 2016 Lee Kuan Yew Water Prize, awarded at Singapore International Water Week in July 2016 for his work in groundwater research, protection and management. In 2020, Cherry received the Stockholm Water Prize. He is a Distinguished Professor Emeritus from the University of Waterloo in Ontario, Canada. He undertook research on the migration of contaminants in groundwater and he participated in the development of technologies for groundwater monitoring and remediation thus "revolutionizing groundwater research". His research resulted in a "paradigm shift in groundwater pollution control measures", leading to new groundwater remediation guidelines to be adopted in the United States and other countries in the 1990s.
Pedro J.J. Alvarez is the George R. Brown Professor of Civil and Environmental Engineering at Rice University, where he also serves as Director of the National Science Foundation-sponsored Engineering Research Center on Nanotechnology-Enabled Water Treatment (NEWT).
Lynn Walter Gelhar is an American civil engineer focusing in hydrology and is currently Professor Emeritus at Massachusetts Institute of Technology. He is recognized for pioneering research in stochastic subsurface hydrology, has leading research in the area of field-scale contaminant transport experiments, and has extensive experience on the hydrologic aspects of nuclear waste disposal.
Noam Weisbrod is a Hydrology Professor at the Department of Environmental Hydrology and Microbiology of the Zuckerberg Institute for Water Research (ZIWR), which is part of the Jacob Blaustein Institutes for Desert Research (BIDR) at Ben-Gurion University of the Negev (BGU). Weisbrod served as director of ZIWR from 2015 to 2018. In 2018 he became director of BIDR and was reelected for a second term in summer 2022.
Takashi Asano is a Japanese-born environmental engineer and a professor emeritus at the University of California, Asano has more than 40 years of academic and professional experience in environmental and water resources engineering, specializing in water reclamation, recycling, and reuse. During 1978–1992, he served as the water reclamation specialist for the California State Water Resources Control Board (SWRCB) in Sacramento, during the formative years of water reclamation, recycling, and reuse. Asano has conducted water reclamation and reuse studies at the SWRCB and the University of California at Davis, many of which contributed to the scientific and technical basis for State of California's Title 22 regulations. Previously, Asano taught at Montana State University, Bozeman, 1971–75, and Washington State University, Pullman, 1975–78. He has continued to lecture widely and publish on topics current and ancient.
Abhijit Mukherjee is an Indian professor, scientist and currently Professor of Geology and Geophysics and the School of Environmental Science and Engineering of IIT Kharagpur. He has been selected for Shanti Swarup Bhatnagar Prize for Science and Technology in 2020 in the field of Earth Atmosphere Ocean and Planetary Sciences.
Despo C. Fatta-Kassinos is a chemical and environmental engineer, academic and author. She is a professor in the Department of Civil and Environmental Engineering and the first director of Nireas-International Water Research Center (Nireas-IWRC) at the University of Cyprus (2010–2022). She has been named a Highly Cited Researcher by Web of Science, Clarivate Analytics.
References
- 1 2 3 National Research Council (U.S.). Committee on Ground Water Cleanup Alternatives (1994). Alternatives for ground water cleanup . National Academies Press. pp. 303–. ISBN 978-0-309-04994-8 . Retrieved 6 January 2011.
- 1 2 April 2006 Newsletter (PDF). SRI Alumni Association. SRI International. p. 12. Retrieved 2011-01-06.