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Water turbine
A water turbine is a rotary engine that takes energy from moving water. Water turbines were developed in the nineteenth century and were widely used for industrial power prior to electrical grids. ... > more -
1999 Izmit, Turkey Earthquake
The Izmit earthquake with a magnitude of 7.4 which lasted for 45 seconds killed over 17,000 in northwestern Turkey on 17 August ... > more -
Sewage treatment
Sewage treatment is the process that removes the majority of the contaminants from waste-water or sewage and produces both a liquid effluent suitable for disposal to the natural environment and a ... > more -
Remediation
Generally, remediation means giving a remedy. In this article, the term refers to the removal of pollution or contaminants from environmental media such as soil, groundwater, sediment, or surface ... > more -
Atmospheric chemistry
Atmospheric chemistry is a branch of atmospheric science in which the chemistry of the Earth's atmosphere and that of other planets is studied. It is a multidisciplinary field of research and draws ... > more -
Natural gas
Natural gas, commonly referred to as gas, is a gaseous fossil fuel consisting primarily of methane. It is found in oil fields and natural gas fields, as well as—in smaller quantities—in ... > more -
2004 Indian Ocean earthquake
The 2004 Indian Ocean earthquake, known by the scientific community as the Sumatra-Andaman earthquake, was an undersea earthquake that occurred at 00:58:53 UTC (07:58:53 local time) on December 26, ... > more -
Organic farming
Organic farming is a form of agriculture that relies on ecosystem management and attempts to reduce or eliminate external agricultural inputs, especially synthetic ones. It is a holistic production ... > more
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