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11-20 of 21 for the Category : Air and the Subcategory : AtmosphereGlobal 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.
Read more about Global ChangeGlobal 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.
Read more about Global Warming & Climate ChangeGreenwash
( 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 GreenwashKyoto Protocol
( Article Type: Explanation )
The Kyoto Protocol is an internationally negotiated framework for regulating greenhouse gas emissions of signatory countries that aims to limit the potential negative impacts of global warming and associated climate change (is manifested at global, r
Read more about Kyoto ProtocolMontreal Protocol
( Article Type: Explanation )
The Montreal Protocol was the original international instrument drawn up to ensure that measures were taken to protect the ozone layer.
Read more about Montreal ProtocolNational environmental management: specific environmental management Acts
( Article Type: Overview )
Known by the abbreviation of SEMA's, Specific Environmental Management Acts, all fall under the auspices of the overarching National Environmental Management Act (NEMA). To date five SEMA's have been promulgated, with the most recent one being W
Read more about National environmental management: specific environmental management ActsNatural 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 ResourcesNitrogen
( 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.
Read more about NitrogenOxygen
( Article Type: Explanation )
Oxygen is a colourless, odourless, tasteless gas that is essential to life on earth. Its most important compound is water (H2O).
Read more about OxygenOzone
( Article Type: Explanation )
The ozone layer occurs in the upper atmosphere (strato-sphere) surrounding the earth. It protects life on earth by absorbing most of the harmful ultra-violet rays (such as UV-B radiation) coming from the sun before they reach the earth.
Read more about Ozone
