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Delhi saves 290 MW by switching off lights and electrical appliances during the Earth Hour

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New Delhi, March 26, 2017: Switching off lights and electrical appliances during the Earth Hour initiative this year, Delhi saved around 290 MW of power, the capital’s distribution companies (discoms) announced on Sunday.

The global Earth Hour initiative aimed at energy conservation was observed between 8.30 p.m. and 9.30 p.m. on Saturday.

“This is more than last year when Delhi had saved around 230 MW,” a spokesperson of power major BSES said here.

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The discom said its twin arms BSES Rajdhani Power Ltd (BRPL) and BSES Yamuna Power Ltd (BYPL), which cater to large parts of Delhi, saved around 113 MW and 95 MW of electricity, respectively, making for a total of 208 MW saving in BSES areas.

BRPL and BYPL had also switched off all non-essential lights at their over 400 offices, spread across an area of around 950 sq km, during the appointed hour.

With its 40 lakh consumers, BSES areas in the capital last year had saved around 207 MW during this annual event.

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Tata Power Delhi Distribution Ltd saved 82 MW of power during Earth Hour 2017, the company said in a statement. It had managed to save around 55 MW during the event last year.

Tata Power, which distributes in North and North-West Delhi, said it “also organised several candlelight marches during the Earth Hour in association with consumers and residents’ welfare associations in its distribution area,” towards sensitising on energy conservation.

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Earth Hour is an annual international event created by the World Wide Fund for Nature (WWF) that urges households and businesses across the world to turn off their non-essential lights and electrical appliances for one hour at the appointed time to raise awareness on the need to take action on climate change.

On Saturday, Delhiites joined over a billion people in Mumbai, Los Angeles, London, Hong Kong, Sydney, Rome, Manila, Singapore, Dubai and in over 7,000 cities across the six continents across the globe to observe the Earth Hour. (IANS)

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Air Pollutants Can Be Stopped If They Are Frozen : Scientists

The air-quality across the NCR was very poor

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Pollution, pollutants, India, air pollution, WHO, diwali
India's Rashtrapati Bhawan, or the Presidential Palace is partly visible due to smog as traffic plies on Rajapth, the ceremonial boulevard in New Delhi. VOA

Freezing pollutants can prevent deadly outdoor air pollution — thought to cause more than three million premature deaths worldwide every year — from seeping indoors by 99 per cent, scientists have discovered.

The research, by a team of scientists from the Nottingham Trent University in the UK and the Chinese Academy of Sciences, involved studying the effectiveness of cryogenics for indoor air purification, by removing the gaseous pollutants and tiny particulates caused by haze.

The team found that as they circulated haze-polluted air through a cryogenic condenser, the finer particles stuck together in the condenser tube before dropping out by gravity, and emerging as clean air.

Air Pollution, China, WHO,Pollution, pollutants
A man wearing a respiratory protection mask walks toward an office building during the smog after a red alert was issued for heavy air pollution in Beijing’s central business district, China. VOA

Their method was able to remove 99 per cent of particulates and 98 per cent of nitrogen oxide pollutants.

“Hazardous outdoor air pollution has severely affected indoor air quality, threatening the health of billions of people,” said Professor Robert Mortimer, Dean of the School of Animal, Rural and Environmental Sciences at Nottingham.

“Outdoor air pollution in cities is a global problem. While there are some existing technologies to purify indoor air, they can be inefficient, expensive or produce harmful by-products.

“When outdoor air quality is poor, people tend to spend even more time indoors – but outdoor pollution also leads to indoor pollution and people are still impacted.”

air pollution, Pollution, pollutants
In this Sept. 19, 2018 photo steam and cooling towers of a lignite power plant are reflected in a pond in Peitz, eastern Germany. VOA

The experiments, reported in the journal Science of the Total Environment, showed that by simply circulating polluted air through a small freezing chamber we can remove most of the fine particles and gas pollutants.

“Our study makes it possible to add an ‘air cleaner’ option to household appliances in areas which might experience extremely poor air conditions. By controlling indoor air pollution and improving air quality in this way, this work could be greatly beneficial for public health,” added Gang Pan, Professor at the varsity.

It is hoped that the work could pave the way for simple modification of air conditioning and humidifier units so that they can also clean polluted indoor air, the team said.

Air Quality, WHO, Pollution, pollutants
Air pollution can also damage your kidneys. wikimedia commons

Delhi and the National Capital Region (NCR) on Sunday witnessed “very poor” air quality with the minimum temperature recorded at 12.4 degrees Celsius, two notches below the season’s average.

Also Read: Delhi’s Air Quality Leads to Ban On Truck And Construction

The air-quality across the NCR was very poor, according to System of Air Quality and Weather Forecasting And Research.

The humidity at 8.30 a.m. was 87 per cent. The maximum temperature was likely to hover around 28 degrees Celsius. (IANS)