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Underwater explosion
An underwater explosion, also known as an UNDEX, is an explosion beneath the surface of water. The type of explosion may be chemical or nuclear. They are categorised in accordance with their depth ... > more -
1923 Great Kanto earthquake
The 1923 Great Kanto earthquake struck the Kanto plain on the Japanese main island of Honshu at 11:58 on the morning of September 1, 1923. The quake was later estimated to have had a magnitude ... > more -
Crust (geology)
In geology, a crust is the outermost layer of a planet. The crust of the Earth is composed of a great variety of igneous, metamorphic, and sedimentary rocks. The crust is underlain by the mantle. ... > more -
List of disasters
This is a list of world disasters, both natural and man-made. A disaster is a natural or man-made event that negatively affects life, property, livelihood or industry, often resulting in permanent ... > more -
Earth Science
Environmental Issues
Global Warming
Geomagnetic Storms
Near-Earth Object Impacts
Anthropology
End of civilization
The end of civilization or the end of the world are phrases used in reference to human extinction scenarios, doomsday events, and related hazards which occur on a global ... > more -
Homeostasis
Homeostasis is the property of an open system, especially living organisms, to regulate its internal environment to maintain a stable, constant condition, by means of multiple dynamic equilibrium ... > more -
Tropic of Cancer
The Tropic of Cancer, or Northern tropic is one of the five major circles of latitude that mark maps of the Earth. It is the parallel of latitude that lies currently 23 degrees 26′ 22″ ... > more -
Greenland ice sheet
The Greenland Ice Sheet is a vast body of ice covering roughly 80% of the surface of Greenland. It is the second largest ice body in the world, after the Antarctic Ice Sheet. The ice sheet is almost ... > more -
Evapotranspiration
Evapotranspiration (ET) is the sum of evaporation and plant transpiration. Evaporation accounts for the movement of water to the air from sources such as the soil, canopy interception, and ... > more
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