Ozone layer might be mending, says NASA

06 January, 2018, 05:28 | Author: Becky Perry
  • Ozone layer might be mending, says NASA

CFC's are long-lasting chemical substances that can rise high up into the stratosphere, where they are broken apart by radiation from the sun. Since then, the ozone layer has clearly recovered, marking a great success - one of the few but highly commendable episodes where almost all the world's countries chose to set aside their differences and work for the common good of the planet and all life that call it home. This releases chlorine atoms that destroy ozone gas - a form of oxygen.

Strahan's study is the first to look directly at measurements of chemicals to argue that the shrinking hole stems from the ban of CFCs.

Since 2005, NASA scientists have used the Aura satellite to measure ozone depletion rates during the winter months.

Using a special instrument designed by scientists at NASA's Jet Propulsion Laboratory in California, the agency's Aura satellite has measured declines in the concentration of ozone-killing chlorine. Stratospheric ozone protects life on the planet by absorbing potentially harmful ultraviolet radiation that can cause skin cancer and cataracts, suppress immune systems and damage plant life. The latest research - published this week in the journal Geophysical Research Letters - suggests the ban is working. By measuring hydrochloric acid levels each fall, scientists were able to gauge the amounts of chlorine in the ozone hole. Comparing hydrochloric acid levels with nitrous oxide levels-another gas that remains in the atmosphere-they determined chlorine's decline of 0.8 percent per year. This resulted in a 20-per cent drop in ozone destruction, it said.

"This is very close to what our model predicts we should see for this amount of chlorine decline", Strahan said. Now, Strahan and colleagues report not only the first direct measurements that prove ozone depletion is decreasing but also that the decrease is caused by fewer CFCs in the atmosphere. "But we're not yet seeing a clear decrease in the size of the ozone hole because that's controlled mainly by temperature after mid-September, which varies a lot from year to year".

Mad Catz Returns from the Dead
More details regarding these new peripherals will be unveiled by the company at CES 2018, which runs from January 9 through 12. The new owners reportedly worked for Mad Catz prior to the company's bankruptcy filings and effectively closed down.

An global ban on substances called chlorofluorocarbons (CFCs) has resulted in a reduction in the amount of chlorine present in the atmosphere, which was damaging the ozone layer.

"CFCs have lifetimes from 50 to 100 years, so they linger in the atmosphere for a very long time", said Anne Douglass, co-author of the study.

Even if the results of the new study do hold true, scientists say it will take until at least 2060 for the hole in the ozone to vanish.

Given that fact, researchers believe that it could be several decades before the ozone hole is eliminated altogether.


  • New Zealand v Pakistan, first ODI

    New Zealand v Pakistan, first ODI

    That series had also marked the return of Amir to global cricket, following his five-year ban. The teams will be back at Wellington to play the fifth and final ODI of the series.
    Brady And Belichick Respond To

    Brady And Belichick Respond To "Flat Out Inaccurate" ESPN Report

    Belichick was not pleased and compared the Patriots to the Browns by saying neither team had a long-term solution at quarterback. Brady seemed to convince Kraft to stick with him while Brady couldn't do the same with Belichick.
    Rare malware mimics Uber Android app to gain access to user accounts

    Rare malware mimics Uber Android app to gain access to user accounts

    As soon it finds one of the targeted apps, it starts sending fake notifications which resemble the ones from the targetted apps. Researchers from Symantec report that it's a new variant of Android .Fakeapp malware which was originally detected in 2012.
  • Gander Outdoors seeks employees for Flint Township store re-opening

    Gander Outdoors seeks employees for Flint Township store re-opening

    According to previous reports, the Fargo Gander Mountain location was closed due to an uncooperative landlord. Individuals interested in applying for a position with Gander Outdoors for more information.
    Arun Jaitley attacks Congress over its stand on triple talaq

    Arun Jaitley attacks Congress over its stand on triple talaq

    However, the government is "committed to passing the law and empower our Muslim sisters", said the parliamentary affairs minister. We can only commend the ruling party for striking a blow for the long-suffering Muslim women.
    China boosts trade restrictions on North Korea

    China boosts trade restrictions on North Korea

    President Donald Trump had tweeted that he was "very disappointed" that China is allowing oil to go into North Korea. However, many Taiwanese businesses are believed to have developed deep commercial ties with North Korea.
  • Hip-hop beats rock to become America's favorite music genre

    Hip-hop beats rock to become America's favorite music genre

    It's probably no surprise which song topped 1 billion streams: "Despacito" by Luis Fonsi and Daddy Yankee (1.1 billion streams). Meanwhile, Drake is the most-streamed artist for the second consecutive year in a row with a whopping 6 billion streams.
    FX's 'Atlanta' season 2 ('Atlanta Robbin' Season') returns March 1, 2018

    FX's 'Atlanta' season 2 ('Atlanta Robbin' Season') returns March 1, 2018

    Donald Glover is finally back with Season 2 of " Atlanta ", and as a twist, the show has a new name: " Atlanta Robbin' Season ". The second season of the Donald Glover-starring comedy, dubbed Atlanta Robbin' Season , will bow Thursday, March 1 at 10 p.m.
    ESPN's Katie Nolan Calls Donald Trump A 'F*cking Stupid Person'

    ESPN's Katie Nolan Calls Donald Trump A 'F*cking Stupid Person'

    She also appeared to use another offensive word to describe Trump, but that word was bleeped out of the broadcast. And the Emmy-winning Nolan, who joined ESPN from rival Fox Sports three months ago, was clearly having fun.
  • Beyonce, Eminem and The Weeknd to headline Coachella 2018

    Beyonce, Eminem and The Weeknd to headline Coachella 2018

    For the Detroit rapper, the appearance follows the release of his ninth studio album Revival - released in December. Lady Gaga performed in her place, making her the first woman to headline Coachella since Björk in 2007.
    Pilot completes missing Oklahoma doctor's mission of rescuing dog

    Pilot completes missing Oklahoma doctor's mission of rescuing dog

    By Wednesday evening, the Coast Guard received a report saying the pilot was unresponsive, likely due to lack of oxygen. It can cause confusion, nausea and breathlessness.
    City's unemployment rate 5.9 per cent in December

    City's unemployment rate 5.9 per cent in December

    Saskatchewan had its first noticeable employment increase in 10 months as almost 5,000 jobs were added to the economy in December. Red Deer region's unemployment rate is the lowest among Alberta's seven regions and well below the province's 6.9 per cent.


LG CLOi line adds three new helping robots
In fact, LG says this one will be able to handle "express check-in and check-out services", which sounds pretty cool. The three join the airport guide robot and airport cleaning robot revealed previous year .

Natural disaster rocks San Francisco Bay Area
Keith Knudsen with the USGS in Menlo Park said there hadn't been a major quake on the Hayward fault in over 100 years. Did you feel it where you live? The natural disaster was centered below Berkeley, California.

Can I buy legal marijuana today? Your questions answered
In Los Angeles, at New Amsterdam Naturals, a licensed medical marijuana shop, the management declined a request for comment. Sessions cited a return to "the rule of law" but emphasized leaving discretion up to individual U.S.

'Undisputed': LaVar Ball is a genius!
A news conference took place on Friday , with LiAngelo, LaMelo and of course LaVar answering questions from the assembled media. Terrill, AP The Ball family is trying to cash in on the family's success with Big Baller Brand apparel.

Spotify reportedly set to go public on the New York Stock Exchange
It was valued at over $19 billion previous year and has the attention of both Wall Street and Silicon Valley with this move. Spotify is a leader in the digital music space with more than 140 million active users and 60 million paying subscribers .

United flight diverted to Alaska after man spreads feces in lavatories
According to the airline, the passenger cooperated with the fight crew and was interviewed by authorities upon landing. The cleaning process, however, forced each of the flight's passengers to spend the night in Alaska.

Chelsea, Conte: "Mourinho? He suffers from dementia it would seem..."
The two managers hit the headlines after failing to shake hands in November after Chelsea beat United 1-0 at Stamford Bridge. He was given a ten-month ban, later reduced to four, before being acquitted of the charges.

Khamenei blames Iran's 'enemies' for unrest as U.S. ups pressure
The reformists were crushed after the 2009 protests, which challenged the reelection of hard-line populist Mahmoud Ahmadinejad . The protesters have been warned they will be met with an "iron fist" by a senior officer in Iran's Revolutionary Guard.

Grassley, Graham call for investigation into "Trump dossier" author
The Justice Department and attorneys for Steele did not immediately respond to CNN's request for comment. Maybe there is some innocent explanation for the inconsistencies we have seen, but it seems unlikely.

Fire at Roy Moore Accuser's Home Under Investigation for Arson
Nobody was hurt in the blaze, and the Etowah County Arson Task Force is investigating, said Entrekin. Reuters was unable to independently verify the allegations, and Moore has denied any wrongdoing.