Category Archives: Environment

Recovering Ozone Layer

After the first discovery of “Ozone Layer” over the Antarctic and more recently over Arctic, groups meeting in Montreal this week are pushing forward for a phase-out of HCFCs (hydrochlorofluorocarbons) 10 years earlier than scheduled. This will reduce cumulatively 18 to 25 billion metric tons of carbon dioxide. HCFCs are now currently used in refrigerators […]

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Byproducts of Urban life

Urban life produces severe byproducts harmful to its ecosystem. Sewage is one such example. It is a type of wastewater that includes human faeces, household wastes that drains out as end-product. Developed countries pay highest attention to this issue as not only public health but the surrounding ecosystem, specially fisheries in the nearby rivers and […]

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