The physical world is composed of living and non-living things. They are generally referred to as the biotic and the abiotic. The abiotic is the physical objects like rivers, mountains, volcanoes and water-bodies. The biotic is the world of flora and fauna. Flora The word “flora” is used to designate plant life. The word “flora” …
Environmental degradation can be defined as a risk to which the world is exposed. It is termed as pollution. Generally, the term pollution refers to contaminated air, water, soil, besides unclean and unhygienic living areas. Such conditions cause harm to human health and damage to non-human natural world. According to Wikipedia, “Environmental degradation is the …
Reforestation is the consequence of deforestation which according to the United Nations Food and Agriculture Organisation, is a complete clearance of trees. Deforestation is usually planned and deliberate felling of trees and the land cleared is used for activities which are not related to the forest. The act of re-growing trees in an area or …
Rainwater harvesting is the storing of rainwater during the monsoon season for the purpose of using it during periods of water scarcity. Generally speaking, it is a process used for collecting and storing rainwater for human use. Rainwater harvesting is best described as the technique by which rain water is accumulated and stored with the …
Air mass is an extremely large body of air in the atmosphere whose properties – temperature, humidity and lapse rate, which is the decrease of atmospheric temperature with height, are largely uniform over an area which can be several hundred kilometers across the surface of the earth. Climate science defines air mass as a relatively …
That branch of science which deals with the physical and biological properties of the ocean and the various phenomena related to it is known as oceanography. It is the branch of Geography that studies the ocean and is also referred to as oceanology. Oceanography, as the name suggests, is that particular discipline of knowledge that …
Seasons are changes in weather conditions. A season can be defined as the distribution of a calendar year into phases that are marked by changes in temperature, precipitation, vegetation and duration of day and night. The seasons are linked with the position of the Earth in relation to the sun. The Seasons are generally divided …
The Ozone layer is a deep blanket in the stratosphere made up of comparatively high concentration of the ozone. As a result of its chemical composition, ozone is regarded as a special type of oxygen as it contains three oxygen molecules (O3) as opposed to the usual two oxygen molecules (O2). The ozone layer encircles …
La Niña is a natural event characterized by abnormal cold ocean temperatures in the Equatorial Pacific. It is actually the opposite of El Niño which is normally realized when the Equatorial Pacific experiences unusual warm ocean temperatures. According to the Australian Bureau of meteorology, La Niña is the positive stage of the El Niño Southern …
We all like to think that we know our heating system inside out and that we know how to use it properly to get the best out of it and to keep our homes and families safe and warm. However, you may well be making one or more of these common – and potentially very …
El Niño is a natural phenomenon experienced in the equatorial Pacific which causes temporary alterations in the world climate. It is normally characterized by complex and abnormally warm ocean temperatures in the Pacific Ocean in the area near the equator which results in global weather events and sea-surface temperature changes. In practical sense, the ocean …
Soil is the part of the earth’s surface comprised of disintegrated rock and humus that provides the medium for plant growth. The development of soil takes time, between hundreds and thousands of years, and consists of diverse materials which are both inorganic and organic. The inorganic materials are the non-living aspects of the soil such …
Renewable energy is often pedalled as the best way to safeguard and power our planet in the future. But like every other environmental argument, it has its critics; critics who have continued to argue against the environmentally friendly method of sourcing power, stirring up common place myths about its potential to help our planet. To …
The marine habitat destruction and loss is where the marine environment or the ecological set up is unable to support life due to degradation. This is a process that is contributed by various natural and human activities. Most countries have had the opportunity to stock marine animals and plants. Countries such as North and South …
The ocean is an immense body of water that covers more than 70 percent of the planet Earth, which is possibly the home where the first organisms ever lived. It is full of natural wealth, resplendent beauty, strange and ordinary beings and valuable resources. An ocean is a body of saline water greater than a …