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Hammerskjoeld Simwinga
(born 1964). The environmentalist Hammerskjoeld “Hammer” Simwinga helped fight wildlife poaching in his native Zambia by creating new economic opportunities in...
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crime
If something goes against criminal law, it’s a crime. Societies act through their governments to make the rules declaring what acts are illegal. Hence, war is not a crime....
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World Heritage site
World Heritage sites are any of various cultural or natural areas or objects located throughout the world that have been designated as having “outstanding universal value.”...
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national park
Every country has areas of natural beauty. These areas almost always contain valuable and interesting plants and animals that often cannot be found anywhere else on Earth....
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conservation
Conservation is the responsible stewardship of the environment to preserve natural ecosystems while insuring that balanced consideration is also given to human needs for...
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endangered species
Although there were about 100,000 black rhinoceroses in the world in 1960, at the start of the 21st century there were fewer than 3,000 left. Even rarer was the mandrinette,...
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natural resource
A natural resource is any material, substance, or organism found in nature that is useful to people. Some natural resources are necessary for life, whereas others have...
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waterfall
When a stream or river flows over a precipice and plunges downward, it forms a waterfall. A typical waterfall is the kind in which a stream or river leaps over the edge of...
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river
The Earth’s rivers carry the water that people, plants, and animals must have to live. They also provide transportation and waterpower. Nations have learned to harness the...
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fjord
A fjord (also spelled fiord) is a long narrow arm of the sea, commonly extending far inland, that results from marine inundation of a glaciated valley. Many fjords are...
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geyser
Geysers are hot springs with a natural system of plumbing and heating that causes intermittent eruptions of water and steam. The word geyser comes from the Icelandic word...
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hot spring
A hot spring, or thermal spring, is a spring that issues water at temperatures substantially higher than the air temperature of the surrounding region. Most hot springs...
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mineral water
Water containing a large amount of dissolved minerals or gases is known as mineral water. It usually contains calcium carbonate, magnesium sulfate, potassium, and sodium...
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spring
An opening at or near the surface of the Earth through which water from underground sources emerges is called a spring. A spring is a natural discharge point of subterranean...
