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11-18 of 18 for the Category : Marine and the Subcategory : Marine EnvironmentExxon Valdez Disaster
( Article Type: Explanation )
On 24 March 1989, the oil tanker Exxon Valdez went off course in a 16 kilometre-wide channel in Alaska’s Prince William Sound and hit submerged rocks on a reef. The disaster has become a significant and valuable case study to illustrate a number of
Read more about Exxon Valdez DisasterGreenwash
( Article Type: Explanation )
Greenwash is not a new concept. The term emerged from the Rio Earth Summit in 1992, and it entered the Concise Oxford Dictionary in 1999.
Read more about GreenwashMarine Alien Species
( Article Type: Explanation )
Ballast water accounts for 41% of the marine introductions in South African waters and the impact of algal blooms have been especially strongly felt, with crayfish walkouts, mass fish mortalities and abalone shellfish fatalities being among the most
Read more about Marine Alien SpeciesMarine Environment
( Article Type: Explanation )
The oceans cover about 71% of the earth's surface and provide habitats for over 250 000 species of marine animals and plants. They also function as a climate regulator, absorbing solar heat and redistributing it via ocean currents.
Read more about Marine EnvironmentMarine Life of Southern Africa
( Article Type: Overview )
South Africa is endowed with an exceptionally rich marine environment. Besides the huge diversity of ecosystems, at least 11 130 species of marine animals and numerous species of marine plants and seaweeds have been identified.
Read more about Marine Life of Southern AfricaNatural Resources
( Article Type: Explanation )
‘Natural resources’ is the term used to describe the basic materials and resources that are produced through the earth’s own inherent natural processes and systems.
Read more about Natural ResourcesRenewable Resources
( Article Type: Explanation )
These are environmental resources that are continuously renewing themselves. For example, energy that is harnessed from the sun, wind and waves is renewable.
Read more about Renewable ResourcesWave 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.
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