Environment

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What Is The Pacific Plate?

The Pacific Plate is a massive tectonic plate lying underneath the Pacific Ocean, and the largest oceanic plate of the planet.

April 25, 2017 12:31

What Is A Qanat, And Where Are They Found?

In Persia and beyond, qanats have for millennia transported water to help facilitate economics, agricultural irrigation, and to meet basic human drinking water needs.

April 25, 2017 12:31

Where Are The Ryukyu Islands?

Okinawa is the largest of these islands. Here, life seems to remain simpler and less industrialized than that seen in the rest of modern Japan.

April 25, 2017 12:31

What Is Sisal (Agave sisalana)?

Native to Mexico and Central America, this fibrous species of agave is now cultivated in warm climes around the globe.

April 25, 2017 12:31

The Syr Darya River

The drought-prone Syr Darya flows for almost 1,400 miles in Kyrgyzstan, Uzbekistan, Tajikistan, and Kazakhstan.

April 25, 2017 12:31

What And Where Is Witwatersrand?

This 35-mile long escarpment in South Africa has both beautiful geological formations and breathtaking waterfalls.

April 25, 2017 12:31

The Xi River

The largest of the Pearl River's tributaries is the Xi River of China and Vietnam.

April 25, 2017 12:31

The Yalu (Amnok) River

The Yalu, or Amnok, River forms a large portion of the border between China and North Korea.

April 25, 2017 12:31

Where Is The Adamawa Plateau?

The Adamawa Plateau and its grasslands are shared by the African nations of Cameroon, Nigeria, and the Central African Republic.

April 25, 2017 12:31

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.

April 25, 2017 12:31

What Is Dryland Agriculture?

Much of the world's crop outputs are grown in areas receiving little precipitation without the use of irrigation.

April 25, 2017 12:31

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.

April 25, 2017 12:31

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