New Delhi, October 29, 2016: Diwali this year in Delhi is expected to be significantly more polluted than in the previous two years.
According to System of Air Quality and Weather Forecasting and Research (SAFAR) of the Ministry of Earth Science, the air quality in the National capital region will be “severe” on October 30 and 31 and “worst” on October 31.
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The Air Quality Index (AQI) will be 443 on Sunday, or the Diwali day, and reach 472 the day after. The AQI between 300 to 400 is rated as very poor, and above 400 is rated as severe.
“The highest levels of PM10 and PM2.5 are expected between 11 a.m. and 3 p.m. on the night of October 30 and 31. The air quality will be worst on October 31 and will start to improve from November 1,” says the SAFAR forecast.
There is enough moisture in the air and winds are stagnant, and atmospheric holding capacity of the emissions coming from firecrackers has increased. The highest levels of PM10 and PM2.5 are expected between 11 p.m. to 3 a.m. on the night of October 30-31.
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PM10 is particulate matter 10 micrometers or less in diameter and PM2.5 is particulate matter 2.5 micrometers or less in diameter.
While Noida is expected to be the most polluted area, Lodhi Road in Delhi is expected to be least polluted.
Incidentally, the levels of particulate matter were significantly low in 2016 as compared to 2014 and 2015, but since October 25, started to become significantly higher.
Delhi Pollution Control Committee (DPCC) Senior Scientist M.P. George attributed paddy stubble burning in Punjab and Haryana for this year’s Diwali being more polluted than in 2014 and 2015.
Sep 15, 2017: Throughout the years, air pollution has advanced as one of the risks to humanity and nature. In such a grim scene, one needs Indoor air purifying plants to breathe fresh air.
We as a whole need to move to metro urban areas for better life and profession however because of expanding air pollution, living in such urban areas is fatal. Air pollution causes breathing issue, heart, kidney and liver ailments. Playing it safe can spare us from these ailments caused by air pollution.
There are different plants which can enhance indoor air quality and can even battle cancer causing pollutants.
Below is a list of ‘Indoor air purifying plants’
Spider plant carries out photosynthesis to a great extent due to which it can purify the air and release fresh air regularly. The plant absorbs nicotine from cigarette smoke and decomposes other carcinogens like benzene.
Asparagus is also known as Shatavari, has many advantages from women’s health to curing nervous disorders. The plant is demonstrated as an astonishing air purifier. The scent of asparagus eliminates microscopic organisms and infections.
Indoor Air Purifying Plants
You must be aware health and beauty benefits of aloe vera, however, do you realize that one pot of this plant is equivalent to natural air cleaners? This plant gives you clean air by absorbing harmful gasses like carbon dioxide, carbon monoxide, and formaldehyde. Keeping this plant four hours in the daylight can dispose of 90% of formaldehyde in 1 square meter of air.
Holy Basil (Tulsi)
Tulsi is one of the best indoor plants for purifying the air. It gives out oxygen for four hours per day which ingests harmful gasses like carbon dioxide, carbon monoxide and sulfur dioxide from the earth. This plant is additionally utilized as a mosquito repellent. It has various therapeutic advantages as well.
Indoor Air Purifying Plants
Snake plant can flourish in low light and sticky conditions so you can place it in your restroom as it will help clean air pollutants. You can also place it in your room as it ingests carbon dioxide and discharges oxygen during the evening.
This splendid, blossoming plant is successful at expelling trichloroethylene. Add this plant to your room so it can keep the air fresh.
Indoor Air Purifying Plants
This plant is a prominent choice for office spaces and homes for its alluring look. It absorbs xylene – a substance discharged from fumes, paints, and cigarettes.
The vivid blooms of this plant can light up the home. This plant is an air-cleaning winner.
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Bangkok, September 9, 2017 : Asia-Pacific — home to more than half the world’s population and some of its fastest-growing economies — is a key battleground in the fight against pollution, one of the biggest threats to the planet and its people, the U.N. environment chief said.
An estimated 12 million people die prematurely each year because of unhealthy environments, 7 million of them due to air pollution alone, making pollution “the biggest killer of humanity,” Erik Solheim told the first Asia-Pacific Ministerial Summit on the Environment in Bangkok this week.
Humans have caused pollution and humans can fix it, said Solheim, executive director of UN Environment, in an interview with Reuters at the four-day summit.
“The struggle for a pollution-free planet will be won or lost in Asia — nowhere else,” said the former Norwegian minister for environment and international development.
The sheer size of Asia-Pacific, as well as its continued economic growth, put it at the heart of the challenge, he added.
The region’s development has been accompanied by worsening pollution of its air, water and soil. Its emissions of planet-warming carbon dioxide doubled between 1990 and 2012, and the use of resources such as minerals, metals and biomass has tripled, according to the United Nations.
World Health Organization figures also show Asia has 25 of the world’s 30 most-polluted cities in terms of fine particles in the air that pose the greatest risks to human health. The pollution comes largely from the combustion of fossil fuels, mostly for transport and electricity generation.
Solheim said Asia is also a major contributor of plastic polluting the world’s oceans — and solutions can be found in the region. He pointed to a huge beach cleanup campaign in Mumbai that inspired Indian Prime Minister Narendra Modi to overhaul the country’s waste management system.
“There’s enormous environmental opportunity,” Solheim said. “Asia has by and large strong governments, and they have the ability to fix problems.”
Coal no longer king?
Solheim said fighting pollution by moving toward renewable energy sources such as wind and solar would also benefit efforts to curb climate change, which scientists say is stoking more deadly heatwaves, floods and sea-level rise around the world.
But environmentalists worry that Asia’s demand for coal, the most polluting of the major fossil fuels, is likely to grow for years to come.
Figures from a forum organized by the King Abdullah Petroleum Studies and Research Center in Singapore earlier this year show that some 273 gigawatts of coal power are still being built, although much more has been put on hold.
In July, analysts told Reuters that Japan, China and South Korea are bank-rolling coal-fired power plants in Indonesia despite their pledges to reduce planet-warming emissions under the Paris climate deal.
The landmark 2015 Paris Agreement seeks to limit the rise in average world temperatures to well below 2 degrees Celsius above pre-industrial times. Experts say curbing or ending the use of coal is required if this goal is to be reached.
Globally, many countries — including China — are shutting down or suspending plans for coal-fired power plants as costs for wind and solar power plummet.
Solheim is optimistic, noting that the International Energy Agency significantly raised its five-year growth forecast for renewables led by China, India, the United States and Mexico.
“There are very, very few people in the world who believe that the future is coal,” he said. “I think we will see the shift [to renewables] happening much faster than people tend to believe.”
On U.S. President Donald Trump’s decision to pull his nation out of the Paris Agreement, Solheim sees a silver lining.
“The surprising judgment of history may be that Donald Trump did a lot of service to this fight against climate change by withdrawing, because he galvanized the reaction of everyone else,” said Solheim.
“All the big, iconic companies of modern capitalism — Apple, Google, Microsoft, Amazon — they immediately said, ‘We will move into the green economy.'” (VOA)
This new technique maps urban air pollution at 100,000 times greater spatial resolution than is possible with traditional government air quality monitors
The new technique could address major air quality monitoring gaps worldwide
The research was conducted in partnership with the US-based non-profit Environmental Defense Fund (EDF), Google and Aclima
New York, June 9, 2017: Using specially equipped Google Street View cars to measure air quality on a block-by-block basis, researchers, including one of Indian-origin, have developed a detailed and extensive local map of air pollution for an urban area.
Most large urban areas tend to have only one air quality monitor for every 100 to 200 square miles. In comparison, the new mobile approach maps air pollution every 100 feet, or at about four to five locations along a single city block.
“Air pollution varies very finely in space, and we can’t capture that variation with other existing measurement techniques,” said lead researcher Joshua Apte of The University of Texas at Austin in the US.
“Using our approach and analysis techniques, we can now visualise air pollution with incredible detail. This kind of information could transform our understanding of the sources and impacts of air pollution,” Apte added.
The research was conducted in partnership with the US-based non-profit Environmental Defense Fund (EDF), Google and Aclima, a California-based provider of environmental sensors.
By integrating Aclima’s sensor system into Google Street View cars, the team mapped air pollution in 78 square miles of Oakland, California, over an entire year, collecting one of the largest data sets of air pollution ever measured of single city streets.
This new technique maps urban air pollution at 100,000 times greater spatial resolution than is possible with traditional government air quality monitors, according to a study published in the journal Environmental Science & Technology.
The team believes that their hyper-local mobile measurement system could be implemented in many cities throughout the world, providing detailed air quality information for citizens, families, local governments and scientists.
The new technique could address major air quality monitoring gaps worldwide and has the potential to transform the way air pollution is monitored in urban areas as well as shed light on the health effects on city dwellers.
“You could use this information when you’re picking a school for your kids. Is there a school with a playground that might have better air quality because your kid has asthma,” Apte said.
“This hyper-local information about consistent air quality can be really useful for people, especially those who are vulnerable because of age or health condition,” Apte noted.(IANS)