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Tag: Ozone layer

Mystery Source Of Already Banned Ozone-Depleting Substance Discovered

Researchers found significant emissions of a banned ozone-depleting substance coming from East Asia, particularly from eastern China. Instead of declining after the ban, emissions have even slightly increased.

Earth/Environment October 27, 2018

Banned Ozone-Depleting Chemical Possibly Still Being Produced: What Are Chlorofluorocarbons?

Why is it important to keep chlorofluorocarbon emissions down? The chemicals actively destroy the ozone, which could potentially lead to our exposure to harmful radiation.

Earth/Environment May 21, 2018

Ozone Layer Depletion Caused By Ancient Volcanic Eruptions Contributed To Earth's Largest Mass Extinction

The depletion of the ozone layer caused by periodic volcanic eruptions has contributed to the largest mass extinction event Earth has experienced. How did the phenomenon lead to the collapse of the biosphere?

Earth/Environment February 8, 2018

Key Parts Of Earth's Ozone Layer Not Healing: Study

Scientists found that the ozone layer is not healing after all. In fact, the depletion may be more harmful than ever, according to a new study.

Earth/Environment February 7, 2018

Humanity's Plan To Save The Ozone Layer Is Working, NASA Shows

The whole world signed the Montreal Protocol in 1987 to ban chlorofluorocarbons, which were depleting the ozone layer. Over 30 years later, NASA has now provided direct proof that humanity's plan to patch up the ozone hole is working.

Earth/Environment January 7, 2018

Montreal Protocol Pays Off: Antarctic Ozone Layer Shows Signs Of Healing

The Antarctic ozone hole shows signs of shrinking. Scientists said the healing of the ozone layer could be primarily attributed to a 1987 international treaty that sought to ban CFCs and similar substances.

Earth/Environment July 2, 2016

Antarctic Ozone Hole Now The Size Of Russia, Canada Combined: Expansion Due To Cold, Says UN Climate Agency

United Nations said that the ozone hole has swelled up to the size of Russia and Canada combined. The reason for the hole expansion is due to meteorological conditions, including extreme cold temperatures.

Animals November 3, 2015

UN Climate Experts Say Expanding Hole In The Ozone Layer Is No Reason For Panic

Climate experts say that the annual Antarctic ozone hole has expanded to a larger size compared to last year, but that it is no cause for panic. The ozone hole may possibly continue to expand every year because of ozone-depleting substances.

Earth/Environment October 31, 2015

New Ozone Depleting Gases Threaten Recovering Ozone Layer

They're called very short-lived substances (VSLS), and they used to contribute minimal damage to the ozone. As their levels in the atmosphere increase, so do their negative effects.

Earth/Environment February 17, 2015

Ozone hole over Antarctica reaches size of North America but no reason to panic

NASA and NOAA scientists reveal that the ozone hole over Antarctica spans the size of North America, but there's reason to be optimistic. The hole is not getting bigger.

Earth/Environment November 2, 2014

Ozone layer may be recovering: The plot (and the ozone layer) thickens

Banning of ozone-depleting chemicals more than 25 years ago finally yielding results as Earth's ozone layer shows signs of recovery, U.N. report says. Worst damage, an ozone "hole" over Antarctica, has stabilized, it says.

Earth/Environment September 11, 2014

Ozone layer is recovering. Good news! Hooray!

Scientists revealed that the ozone layer, which protects the Earth from the harmful UV rays of the sun and which has been thinning since the 1970's, is on its track to recovery.

Earth/Environment September 11, 2014

Supposedly 'safer' synthetic gases replacing ozone-destroying CFCs could be a climate risk factor

Little-studied class of synthetic gases, considered 'safer' for Earth's ozone layer, could still be a risk in climate change.

Earth/Environment April 12, 2014

Ozone-destroying new man-made gases discovered in atmosphere

Scientists have discovered four new gasses that could damage the ozone layer. Over 74,000 tonnes of these harmful gasses have already been released into the atmosphere.

Earth/Environment March 12, 2014

Now China is exporting air pollution to the U.S.

A new study shows that air pollution in China that is directly the result of manufacturing for U.S. consumption, has been wafting towards U.S. shores.

Earth/Environment January 27, 2014

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