What Is A Volcanic Caldera?
Fittingly enough, the term "caldera" comes from the Spanish word for "cauldron". These bowl-shaped volcanic features can even be seen occurring in outer space.
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Environment
Latest
What Is Dryland Agriculture?
Much of the world's crop outputs are grown in areas receiving little precipitation without the use of irrigation.
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What Are Earth System Studies?
Looking at interactions between the Earth's water, ice, rock, living things, and atmosphere gives a well-rounded picture of our planet.
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Where Is The Isthmus of Tehuantepec?
The biodiverse Isthmus of Tehuantepec lies between the Gulf of Mexico and the Pacific Ocean, and was once the proposed site for a canal between the two.
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The Jamuna River
The wide Jamuna River is one of the most important water bodies in the nation of Bangladesh.
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Where In The World Is Long Island?
Neighboring Manhattan Island in New York State, Long Island is home to Kings, Queens, Nassau, and Suffolk Counties.
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Where Is The Namib Desert?
The Namib Desert covers an area of more than 80,000 square kilometers in Namibia, South Africa, and Angola.
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Are Some Of The Earth's Glaciers Actually Becoming Larger?
In the midst of global warming, some glaciers on our planet appear to be growing instead of shrinking.
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What Is The Climate And Landscape Of Nunavut Like?
Just before the turn of the 21st Century, Canada's youngest, far northern territory was created from parts of the Northwest Territories.
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Where Are The Yasawa Islands?
The Yasawa Islands are a volcanic archipelago in western Fiji. Tourism has been a major boost to the local economy since restrictions on such were lifted in 1987.
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The Zambezi River
At almost 1,600 miles in length, the Africa River Zambezi is one of the longest rivers in the world, and home to the magnificent Victoria Falls.
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What Is "De-Extinction", And How Is It Carried Out?
Much controversy surrounds the use of cloning and other means to bring extinct species back to life.
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What Do You Know About Ayers Rock (Uluru)?
Also known as Uluru, Ayers Rock is a sandstone formation and UNESCO World Heritage Site in Australia.
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What Is The Great American Continental Divide?
The Great Divide separates the Pacific and Atlantic watersheds of the Americas, from Alaska to Tierra del Fuego.
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What Is A Continental Shelf?
The shallower areas of coastal waters extending offshore sit atop continental shelves.
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Where Is The Island of Cyprus?
The Eastern Mediterranean island of Cyprus covers 3,600 square miles offshore from Syria and Turkey.
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What And Where Is The Dardanelles?
Sometimes referred to as the Hellespont and sight of Gallipoli, this Turkish strait connects the Sea of Marmara with the Mediterranean and Aegean Seas.
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What Are Droughts, And How Can They Be Mitigated?
Perhaps nothing is more crippling to human civilizations than a lack of water in times of drought.
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What Are Enclaves And Exclaves?
Just when you thought territorial boundaries couldn't be more complicated, you have instances where regions of one power are surrounded by those of another.
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What Causes A Weather Front?
When air masses with markedly different temperatures and/or moisture levels collide, storms often occur.
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