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Ionosphere
The ionosphere is the part of the atmosphere that is ionized by solar radiation. It plays an important part in atmospheric electricity and forms the inner edge of the magnetosphere. It has practical ... > more -
Renewable Energy
Hazardous Waste
Energy and the Environment
Recycling and Waste
Environmental Science
Environmental Issues
Radioactive waste
Radioactive waste is waste type containing radioactive chemical elements that does not have a practical purpose. It is sometimes the product of a nuclear process, such as nuclear fission. The ... > more -
Cretaceous
The Cretaceous period is one of the major divisions of the geologic timescale, reaching from the end of the Jurassic period, about 146 million years ago (Ma), to the beginning of the Paleocene epoch ... > more -
Mount Kilimanjaro
Kilimanjaro is a mountain in northeastern Tanzania. Kilimanjaro is the tallest free-standing mountain rise in the world, rising 4600 meters (15,000 ft) from the base, and includes the highest peak in ... > more -
Bering Strait
The Bering Strait is a sea strait between Cape Dezhnev, Russia, the easternmost point (169 degrees 43' W) of the Asian continent and Cape Prince of Wales, Alaska, the westernmost point (168 degrees ... > more -
Energy and the Environment
Renewable Energy
Environmental Science
Nuclear Energy
Petroleum
Energy Technology
Future energy development
Energy development is the ongoing effort to provide abundant and accessible energy, through knowledge, skills and constructions. When harnessing energy from primary energy sources and converting them ... > more -
Trace fossil
Trace fossils are those details preserved in rocks that are indirect evidence of life. While we are most familiar with relatively spectacular fossil hard part remains such as shells and bones, trace ... > more -
Gypsy moth
The gypsy moth, Lymantria dispar, is a moth of European origin. Gypsy moth larvae prefer hardwoods, but may feed on several hundred different species of trees and shrubs. In the East the gypsy moth ... > more -
Lead poisoning
Lead poisoning is a condition, also known as plumbism or painter's colic, caused by increased blood serum lead levels. The symptoms of lead poisoning include neurological problems, such as reduced ... > more -
North Anatolian Fault
The North Anatolian Fault is one of the most energetic earthquake zones in the world. Turkey is set on a minor tectonic plate which is being squeezed westwards as the Arabian and the Eurasian plates ... > more
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