Environmental science is a field that deals with the study of interaction between human systems and natural systems. Natural systems involve the earth itself and life. Human systems are primarily the populations of the earth. Environmental science is the academic field that takes physical, [...]
read moreAir pollution can be defined as the presence of toxic chemicals or compounds (including those of biological origin) in the air, at levels that pose a health risk. In an even broader sense, air pollution means the presence of chemicals or compounds in the air which are usually not present and [...]
read moreThe ozone layer is mainly found in the lower portion of the stratosphere, about 20 to 30 km (12 to 19 miles) above the earth, though the thickness varies seasonally and geographically. The ozone layer protects living things from harmful ultraviolet rays from the sun; without the protection of [...]
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