Expedition Earth

Welcome to Expeditie Aarde – Expedition Earth. Expeditie Aarde – Expedition Earth is an independent website. Learn about concepts of geography, find geographic information, maps, videos and more.

Sunday, 11 December 2011

Safe clean drinking water

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VIDEO - Water VIDEO - Water 2 VIDEO - Water scarcity Approximately a billion people live without clean drinking water. Imagine if y...

Friday, 9 December 2011

Factors affecting density of population

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Population density is the number of people per square kilometer or mile. This may be calculated for a county, city, country, another terr...

Monday, 5 December 2011

Lightning

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Lightning has fascinated humans for a long time. A thunderstorm, also known as a lightning storm, is a form of...

Sunday, 4 December 2011

The Netherlands - a low-lying country

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The Netherlands is a geographically low-lying country. About 27% of The Netherlands and 21% of its population located below sea level, an...

Monday, 28 November 2011

The Gulf Stream

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The world's oceans move constantly. Ocean currents flow in complex patterns and are affected by the wind, the water's salinity an...

Thursday, 24 November 2011

Köppen - climate classification system

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Wladimir Köppen (1846-1940), was a Russian-born German climatologist who developed a systematic method of classifying the climates of th...

Irrigation for agriculture

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The next maps shows the world's most populated areas depend on irrigation for agriculture. VIDEO - Irrigation for agriculture ...

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