What is ozone layer depletion? The ozone is a layer of gases in the stratosphere, which is a thick (20 km thick, to be precise) layer of gas that rests about 30-50 km above the surface of the earth. It is mainly made up of ozone gases, and the key gas is O3 which is made of molecules consisting of … [Read more...] about Ozone Layer Depletion: Meaning, Causes, Effects
What is Fresh Water? Fresh water, often referred to "sweet water", is the water found naturally along earth's surface such as lakes, rivers, ponds, icebergs, beneath the earth's surface (underground water) but doesn't include sea water (salt water) and brackish water. [Also read about fresh water … [Read more...] about What is Fresh Water and How can we conserve it?
Waste disposal means getting rid of waste. Waste can mean many things: it might mean the household waste that you place in your bins or it might mean compost from the garden - or, it could be industrial waste such as the waste metals left over from the manufacturing process. Disposing of waste … [Read more...] about What are the main Waste Disposal Methods?
Flora and fauna is a phrase that is often used to describe life on earth. Broadly, the portmanteau phrase flora and fauna is used to mean 'plants and animals', however the meaning is something more specific than that. Let's take a look at what each of these words means. Flora. Flora comes from the … [Read more...] about What are flora and fauna?
A desert is a space where almost nothing grows. Though some especially hardy plants, animals and insects can survive in a desert, it is usually a very arid place with little rainfall, few nutrients as there is usually sand in place of soil, and few sources of water such as streams and … [Read more...] about Desertification: Meaning, Causes, Effects and Solutions