The Douro River Of Portugal And Spain
The Douro River is one of the most economically and hydrologically important rivers of the Iberian Peninsula.
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Environment
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Kuril Islands Of The Northwest Pacific
This 800+ mile-long chain of volcanic islands has at times been highly disputed between Russia and Japan.
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The Longest Rivers of Europe
Viewed as the national river of Russia, the Volga is the longest European River, flowing for a distance of 3,692 kilometers.
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Most Polluted Cities In The United Kingdom
As per WHO reports, currently twelve urban areas in the United Kingdom exceed the safe upper limits of PM10 particulate air pollutants.
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Cactus, Flora Of The Desert
The Family Cactaceae has almost 1,800 species, most of which are native to the Americas.
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National Animals Of European Countries
Several European nations are symbolized by heraldic lions and other mythological creatures, although exciting real world fauna appear on the list as well.
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The Red River Of The South
One of the major inflows of the Mississippi, the Red River of the South drains 66,000 square miles of land area.
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National Animals Of African Countries
The leopard appears twice on the list of African countries' official National Animals, while Mauritius is represented by an extinct species.
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National Animals Of Asian Countries
With such biodiversity, it may come as little surprise that India couldn't settle on 1, 2, 3, or even just 4 national animals!
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National Animals Of Countries In Oceania
New Zealand's and Australia's top picks of nationally iconic fauna will likely come as little surprise.
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National Animals Of North American And Caribbean Countries
Interestingly enough, each Caribbean nation to make the list has its own national bird.
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Sustained Yield Use In Forestry And Natural Resource Management
Sustained yield use allows people to obtain benefits from forests and other reserves of natural resources without undermining their ecological integrity.
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Loess Soil And Ground Fertility
This wind-blown sediment is responsible in part for some of the world's most agriculturally productive areas.
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What Are Defoliants Used For?
Defoliants are chemicals applied to plants that cause their leaves (foliage) to fall off.
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The Heaviest Living Reptiles In The World
The Saltwater Crocodile Is The Largest Living Reptile On Earth Followed Closely By The Nile And Orinoco Crocodile.
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The Longest Non-Polar Glaciers In The World
Tajikistan is home to the longest non-polar glacier in the world, the 77-kilometer long Fedchenko Glacier.
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Heaviest Land Animals Alive Today
While whales may dominate the list of largest aquatic animals, these terrestrial species can really make the ground rumble.
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Which U.S. State Borders Only One Other State?
Maine only borders 1 other U.S. state (New Hampshire), while bordering 2 Canadian Provinces (New Brunswick and Quebec).
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The Solar System's Tallest Mountains
Curiously, only one mountain on Earth, Mauna Loa in Hawaii, is tall enough from base to peak to be featured on this list. Read to learn why even Everest fails the test!
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National Animals Of South And Central America
From Central American jungles to the Amazon to Patagonia to Tierra del Fuego, these countries have no shortage of choices of fauna to serve as national symbols.
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