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51-60 of 61 for the Category : Geographical and the Subcategory : Natural ResourcesRivers & Wetlands
( Article Type: Overview )
Rivers and wetlands provide a range of goods and services for the benefit of people, but need a healthy ecosystem in order to provide these.
Read more about Rivers & WetlandsSoil
( Article Type: Explanation )
Soil, along with sunlight and water, is essential for our life here on earth. All the plants that grow on the earth (including all of the crops that we eat and the grass that our animals eat) need soil to grow, and we even need soil to form the br
Read more about SoilSurface Mining
( Article Type: Explanation )
Mining, by its very nature, is not sustainable into the future. Through the process of mining, finite natural resources, in the form of minerals, are extracted from the Earth’s crust, beneficiated and consumed by our society.
Read more about Surface MiningSustainable Development and the Law
( Article Type: Sustainable Development )
The South African Constitution gives everyone the right ‘to have the environment protected… through reasonable legislative and other measures that secure ecologically sustainable development and use of natural resources while promoting justifiabl
Read more about Sustainable Development and the LawThe African Sausage Tree
( Article Type: Explanation )
In keeping with its common name, the Sausage Tree fruits look like giant grey-green sausages. Measuring about 30 to 60cm long the fruits hang on stalks from the tree. Long, open sprays of large, wrinkled, maroon or dark red trumpet-shaped flowers tha
Read more about The African Sausage TreeTropical Rain Forest
( Article Type: Explanation )
Tropical rain forests appear like a girdle around the equator and occupy approximately 8% of the earth's land surface, yet they comprise about half of all growing wood on the face of the earth and provide habitats for at least two fifths of all the
Read more about Tropical Rain ForestWater and Water Pollution
( Article Type: Overview )
Water is a fugitive natural resource, changing between solid, liquid and gaseous forms that are linked via the hydrological cycle (see Figure 1) that move freely in time and space. Planet Earth is the only known place where water occurs in liquid for
Read more about Water and Water PollutionWater Conflict
( Article Type: Explanation )
Fresh water is an important natural resource for the survival and economic development of humankind. It is also a scarce resource.
Read more about Water ConflictWave Energy
( Article Type: Explanation )
The marine environment is the next major frontier for the harnessing of energy, with vast amounts of energy potentially available in the waves (driven by the wind) and tides (driven by the moon) of the seas worldwide.
Read more about Wave EnergyWetlands
( Article Type: Explanation )
Wetlands (vleis, bogs, swamps, sponges or marshes) are vital ecosystems, which have been described as some of the most productive in the world.
Read more about Wetlands