19
Jun

NOISE POLLUTION in Pakistan

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Undesirable sound for human hearing is what we call it noise pollution when it disrupts the functioning of human and other species in the environment. Noise is measured in decibels. The hearing effect vary from person to person, some having sensitive ears to loud compare to others but the limit to consider in pollution is though not stated but mostly it is considered that sound ranging 70-80 DB or higher is harmful to human hearing. However some state noise ranging 70-80 db. and higher is harmful to human ears. Now sound recorded in Pakistan cities as 76.5db in Karachi, 72.5 in Islamabad and a high of 86 db in Peshawar are the evidence of noise pollution in Pakistan which is a menace in our society, but has never been given attention since the problem is not visible unlike land, water pollution or any other pollution. Here the authorities fault is not only to keep a check but also their failure in land zoning

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18
Jun

NUCLEAR WASTE PRODUCED BY NUCLEAR SUBMARINES AND NUCLEAR POWER STATIONS DISPOSED OF SAFELY ENOUGH?

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Nuclear-waste is the radioactive waste material, from the use of reprocessing of nuclear fuel. Nuclear power is an advanced technology, involving the action of fission to produce energy. Here fission is a process in which nucleus of an atom is split into various smaller nuclei in return energy is released which produce heat which is then used to generate stem which helps turn the turbines, which produces power and collect in turbines which are then transformed into transmitters to grid station. Until now you may consider it to be a clean process because it does not release smoke into the air unlike fossil fuels, but many are unaware of the threat from the nuclear waste which is a major problem to deal with when considering the nuclear energy production. One considering to use nuclear power should be aware that of the issue of nuclear waste which remains radioactive for years and is a serious threat to human life since it can cause diseases like Leukemia, skin-cancer, etc. Chernobyl disaster in 1986, is a prime example which was a catastrophic nuclear incident which killed numerous lives ranging from 4,000 to 200,000 as a result of released

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18
Jun

FISHING AND ITS EFFECTS ON MARINE ECOSYSTEM

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Similarly, such advancement in fishing with technology have made fishing more easy and efficient and there have left less of the part of luck more like in former times. But do you feel it right to catch fish without any limits? The ocean is the same, isn’t it? So how will this ocean supply individuals with fish in future if all will be used up now? When answering these questions left us all blank because it is a fact that we are actually carrying this action of fishing unmindfully so unsustainable. A country like Peru, where fishing is the only source for people of their livelihood means all are engaged in this task so engulfing vast amount of fish species. Hence stated in united nation FAO statistics that the total number of commercial fisherman and fish farmers is estimated to be 38 million. So this is how ocean grabbing

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17
Jun

Water Scarcity

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Water- consisting of only 2 molecules of hydrogen and a molecule of oxygen but plays the most important role in the survival of all the living organisms who cannot live without drinking water, then why some people of as much as 884 million lack this right of fresh water found all around the world. Hence we see the prediction of Ismail Serageldin true when he said; “The wars of the twenty-first century will be fought over WATER “ Ismail Serageldin When on some areas people access this gift of nature, which they use not for the necessity but they use it for luxury purposes and amenity by filling their pools at homes or function the fountains in front of their buildings

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17
May

Why Endangered Species Day is celebrated?

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On third Friday of May of every year Endangered Species Day is celebrated to aware people about the importance of the bio species. It is the chance for people to take part in protecting these endangered species. Each species no matter how much small, have an important and specialized role on earth. For example, production of crops yield depend on the number of plant species. Greater the number of plant species greater will be the number of crop yields i.e. food for many lives.

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