Pollution

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Delhi water fails to clear ISO norms

Syllabus subtopic: Conservation, Environmental Pollution and Degradation, Environmental Impact Assessment. Prelims and Mains focus: about the contamination in drinking water; about BIS; about ISO standards News: None of the drinking water samples randomly collected from across Delhi conforms to the ISO standards of purity in one or more requirements, the Bureau of Indian Standards (BIS) informed the Supreme Court. Background On January 13, the court

29 February, 2020
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Black Carbon

Syllabus subtopic: Conservation, Environmental Pollution and Degradation, Environmental Impact Assessment. Prelims and Mains focus: about the study and its findings; about black carbon News: A study by scientists at the Wadia Institute of Himalayan Geology (WIHG) was recently released. About the study The team of scientists from WIHG measured variations of black carbon concentration at Chirbasa, near the Gangotri glacier in the Indian Himalaya, and locat

04 March, 2020
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Improved Air Quality during COVID-19

Improved Air Quality during COVID-19 Part of: GS Prelims and GS-III- Environment The nationwide lockdown, to prevent COVID-19, has led to minimal air pollution in over 90 cities including Delhi. Environmentalists have welcomed the reduction in pollution and have urged the government to treat it as a wake-up call and stop the development at the cost of the environment. Key Points During the lockdown, the government has asked the people to avoid unnecess

30 March, 2020
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Steps taken by Navy to protect ocean ecology

Steps taken by Navy to protect ocean ecology Indian Navy has voluntarily implemented all six schedules of International Convention for the Prevention of Pollution from Ships (MARPOL) regulations. All Naval ships have been fitted with MARPOL compliant pollution control equipment such as : Oily Water Separators (OWS) and Sewage Treatment Plants (STP) for treating waste generated onboard. Further, to ensure upkeep of harbour waters, accelerated bioremediation technology has al

05 June, 2020
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National Auto Fuel Policy,2015

National Auto Fuel Policy,2015 The Auto Fuel Policy, 2003 aims at addressing issues of vehicular emissions and vehicular technologies by applying fuel quality standards. An Expert Committee under the chairmanship of Mr. Saumitra Chaudhari was set up to review the Auto Fuel Policy, 2003. Further, the objective of the Expert Committee was to draw a roadmap for the auto fuel quality till 2025. The Standing Committee made observations and recommendations on the Expert C

21 June, 2020
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Study: Punjab’s law plays ‘minimal role’ in spiking Delhi’s pollution

Study: Punjab’s law plays ‘minimal role’ in spiking Delhi’s pollution Context: A study argues that Delhi’s meteorology and the quantity of chaff burnt play a greater role in worsening air quality than the time chosen by farmers in Punjab to start crop burning. Crop burning is a traditional practice in Punjab and Haryana of razing fields off rice chaff to prepare it for winter sowing. It begins around October and peaks in November, coinciding with the wi

23 July, 2020
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Straw management machines to curb stubble burning

Straw management machines to curb stubble burning Context: The Supreme Court, in November 2019, had directed the governments of Punjab, Haryana and Uttar Pradesh to pay farmers a financial incentive to curb the practice, which accounts for nearly 4-30% of daily pollutant concentration in Delhi’s air in the early winter months. The Supreme Court appointed Environment Pollution (Prevention and Control) Authority, or EPCA, is right in saying that an incentive of Rs 100 per quintal

05 October, 2020
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Towards cleaner air in Delhi

Towards cleaner air in Delhi Context: The launch of an anti-pollution campaign by the Delhi administration. Air pollution in Delhi: Air pollution is a huge concern in Delhi. The high amounts of emissions from vehicles along with polluting industries in the region and the annual agricultural stubble burning exercise contribute to the high pollution loads in the capital. The lack of wind worsens the pollutant concentration. Particulate matter concentration of PM2.5 and PM10