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Indoor air quality is an important factor that affects the health, comfort, and productivity in buildings. Radon, which arguably obtained its popularity after the 1984 Watras Incident in U.S., is believed to be a harmful element of indoor air quality that directly affects the health of their occupants. The first part of this essay tries to provide information on what radon is, including the danger of inhaling high concentration of radon in prolonged time. Part 2 explains how high concentration...
Introduction The Engineering Design and Sustainable Systems module has been quite interesting and this assignment takes the fascination further. The assignment requires us to write an essay on sustainability, renewable technologies or environmental design. I have chosen to write on wind power because it is a source of renewable energy and it is sustainable. Wind energy and technology is only one type amongst the many sources of renewable energy, all of which have their advantages and...
The purpose of this paper is to explain how the atom and atomic physics arose and account for the basis of its on-going utility, starting from the earlier Greek philosophers until the scientists of the 20th Century and after the atomic bomb the ended World War II. The model of science applied to depicting this development is heuristics for its practical utility. This history will follow chronologically, showing how science developed and was later modified to incorporate new knowledge into its...
There are many factors influencing the sustainability of water in South Africa such as the where the water actually comes from, its availability and distribution and its use in economic sectors but despite this there are management and some solutions to help solve this problem of sustainability. "Sustainability is a moral ideal, much like democracy and justice. There is no single strategy or game plan for its attainment. It is a process, rather than an objective."Sustainability in...
The first environmental impact whether is from traditional or industrial agricultural practices is the air pollution and global warming. It is recorded that 54% of the deforestation are due to agricultural use. We are always reminded that trees are important and responsible for the intake of carbon dioxide during photosynthesis, removing it from the atmosphere and provide us with fresh oxygen. However, due to more and more intensive agricultural activities, the trees which we depend on for...
Polymers are long strains of molecules that keep repeating and have different properties of the original single molecule group. A single section of a polymer is called a monomer. It resembles the simplest form of the repeating portion of the entire polymer. Polymers have become an indispensable part of modern life. Cars, computers, baby-bottles, telephones, clothing, packaging; no aspect of our society is untouched by polymers. Their versatility in terms of physical properties and the unique...
The Pink Pigeon (Columba mayeri) commonly known as "the pigeon des Mares" or "Pigeon Rose", derives from the continent of Africa on the island of Mauritius in the Western Indian Ocean. It is related to the extinct Dodo (Raphus cucullatus), the threatened Bleeding Heart Dove, (Gallicolumba luzonica) and the common street pigeon (Columba livia). As the name suggests and image 1 below shows the Pink Pigeon has a pink appearance, especially around the head and neck area. It is...
Solid waste management involves a number of stages starting from the choice of sites for landfill, collection, transportation and disposal of the solid waste. Both economic and environmental planners are concerned with the setting up of cost effective and environmentally friendly systems for solid waste management. Geographical Information System (GIS) is a tool that can provide spatial and non spatial information for urban planning and management. This paper focuses on the application of GIS...
Global warming is increasing and the planet's climate is changing. This is backed up by a great deal of scientific evidence and is felt to be the result of both human activity and natural causes and one of the greatest threats to the world. The primary cause is an increase in greenhouse gases such as carbon dioxide. These gases trap some of the outgoing energy, retaining the heat like the glass in a greenhouse and are therefore known as greenhouses gases. In addition to water vapour, there...
Introduction This is a literature review about the effects of environmental pollution in India and the world in general, entitled as 'India starts work on climate action plan' as published in New Scientist magazine by New Scientist Environment and Reuters news agency, on 13th July 2007. It states that due to the rise in earth's temperature accelerated by human activity that this is leading towards 'Global Warming'. India's economy is growing rapidly, contributing towards global greenhouse-gas...