Popular Science Article
All living and non-living things around us form our environment. The natural environment remains in dynamic balance due to various natural processes. But because of human interventions in these processes, the natural environment is getting changed and thus several environmental problems are created. For maintaining the environmental balance, we should be aware of the problems, their causes and the measures to be taken up by us to protect the environment.
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Biodiversity for Insect Pest Management
Traditional practices in agriculture have been replaced in the past few generations by modern and largely industrialised systems. Despite dramatic increases in food production, it is now recognised that agriculture can negatively affect the environment through overuse of chemicals which are causing pollution
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पहाड़ों के पारिस्थितिकी तंत्र को नुकसान पहुंचाने का नतीजा
उत्तराखंड और हिमाचल प्रदेश में प्रकृति की विनाशलीला में अब तक 1000 लोग मारे जा चुके है,हजारों लापता है और लगभग 15 हजार लोग अलग-अलग जगहों पर फंसे हुए हैं। बारिश और भूस्खलन के कहर से नदियाँ उफान पर है और बादल फटने के बाद नदी की तेज धार में इमारतें और घर ताश के पत्तों की तरह धराशाई हो गए ।
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SOLID WASTE POLLUTION
These materials accumulate at public places and cause hindrance in daily life. In addition to these, are also other used things like automobile spares, machines, cycle parts etc. that are thrown as junk.
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Thermal Pollution : Sources, Effects and Control
The dumping of heat into ecological systems like rivers, lakes, ponds, ocean etc. which degrades the water quality is known as thermal pollution.
Nuclear reactors, electric power plants, petroleum refineries and steel melting factories require huge amounts of water for cooling purposes. The heated water discharged into aquatic bodies results in an increase in the temperature of water thus causing thermal pollution.
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पर्यावरण और त्यौहार
हमारा देश ऐसा अनोखा देष होगा जहां सबसे अधिक उत्सव व त्यौहार मनाए जाते होंगे। असल में धर्मों, समुदायों एवं विचारों की बहुलता के कारण यह देष उत्सवप्रधान देष बन गया है। विभिन्न प्रकार के भौतिक माहौल जैसे कहीं रेगिस्तान, कही समुद्र तो कहीं नमभूमियां भी समय-समय पर अनेक उत्सवों को जन्म देते हैं।
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Sustainable Development : Need of the Hour
Sustainable development is the development that meets the necessities of the present generation without compromising the ability of future generations to meet their own needs. Furthermore, it considers the equity between nations...
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Green Consumer Day - 28th September
Every year, 28th September is observed as the Green Consumer Day by organizing a variety of programmes to increase the awareness about the importance of recycling-reusing-reducing should be taken up seriously.
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Global Warming - Causes and Effects
The global warming is one of the changes caused by the activity of human beings. Global warming is the increase in the average temperature of earth’s near surface air and ocean owing to build up of green house gases in the atmosphere.
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What is Ozone Layer?
The Earth's atmosphere is a thin layer of gases that surrounds it. It consists of oxygen, carbon di oxide, nitrogen, hydrogen, helium, ozone etc. These gases surround the Earth like a blanket.
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What is Ozone Hole?
The depletion in the amount of ozone in the ozone layer is termed as ozone hole. It is an alarming trend that the size of the ozone hole is on the increase.
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Vigyan Apke Liye
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Know Why, How and What?
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We observe a number of events happening around us. Doyou know the reasons
why do such things happen? Here are such events and their reasons.....such events and their reasons.....
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Learning Through Testing
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Science is a study of nature around us. Learning Science is a part of life. But
ordinarly we are not aware of it. You can test how much science you know and also
learn while testing.....
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Science for Curious Mind
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First step for cognitive learning is curiousity. Unsatisfied curiousity leads to
frustration. There are many questions which children ask very frequently and do'nt
get answers.....
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Do You Know
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There are more than 1000 chemicals in every cup of coffee.
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