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11-19 of 19 for the Category : Geographical and the Subcategory : Geographical - General

Fossil Fuels

( Article Type: Explanation )

Fossil fuels are non-renewable (limited) natural resources, which means that one day they will run out and alternative energy sources will have to be found for them. They include crude oil, coal, gas or heavy oils, which are made up of partially or c

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Global Change

( Article Type: Explanation )

Africa, as a whole, is extremely vulnerable to the impacts of climate change. This is not only due to the actual changes expected, but also due to the poor capacity of its people to cope with the changes and the developmental constraints.

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Global Warming & Climate Change

( Article Type: Overview )

'Global warming', or 'climate change', refers to the rise in the planet's overall temperature due to anthropogenic (human-related) increase of greenhouse gasses in the atmosphere.

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( Article Type: Explanation )

The grasslands biome is the second largest of the country's nine biomes, covering an area of 339 237.68 km2 in seven provinces.

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( 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.

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( Article Type: Explanation )

Nitrogen is a colourless, odourless gas that comprises 78% of the atmosphere. Nitrogen is cycled between the air and the soil in the nitrogen cycle, which includes a process known as nitrogen fixation.

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( Article Type: Explanation )

Oxygen is a colourless, odourless, tasteless gas that is essential to life on earth. Its most important compound is water (H2O).

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South African Risk and Vulnerability Atlas - SARVA

( Article Type: Sustainable Development )

The South African Risk and Vulnerability Atlas is an initiative of the Department of Science and Technology (DST), implemented by the Natural Resources and Environment Unit of the Council for Scientific and Industrial Research.

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Ultraviolet Light

( Article Type: Explanation )

Ultraviolet (UV) radiation is between visible light and X-rays on the spectrum (4 x 10-7 to 5 x 10-9). The UV spectrum is further divided by wavelengths into A, B and C bands.

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