Ozone Hole Not Getting Any Smaller

Chlorofluorocarbons are still being released.

#Environment

Fri, Aug 22nd, 2014 11:00 by capnasty NEWS

Researchers at NASA's Goddard Space Flight Centre have shown that worldwide emissions of carbon tetrachloride (CCl4), a chlorofluorocarbon that destroys ozone, average to 39 kilotons per year despite the Montreal Treaty, designed to phase out the use of these gasses.

As of 2008, CCl4 accounted for about 11 percent of chlorine available for ozone depletion, which is not enough to alter the decreasing trend of ozone-depleting substances. Still, scientists and regulators want to know the source of the unexplained emissions.

For almost a decade, scientists have debated why the observed levels of CCl4 in the atmosphere have declined slower than expectations, which are based on what is known about how the compound is destroyed by solar radiation and other natural processes.

"Is there a physical CCl4 loss process we don't understand, or are there emission sources that go unreported or are not identified?" [Qing Liang, an atmospheric scientist ] said.

  1587

 

You may also be interested in:

Gravity Batteries
“In comparison to the waste produced by every other kind of electricity production, that quantity is close to zero.”
“Rubbish waste is now so prolific it will become fossilised.”
"Essentially, we ended up with an antacid for the stratosphere."
“Buying a new smartphone every two years is taking a toll on the planet.”