About Signed
Aspiring hip-hop and R&B artists are presented a once-in-a-lifetime opportunity to collaborate with three of music's biggest moguls en route to a potential record deal. Rapper/entrepreneur Rick Ross, recording artist and Grammy-winning songwriter The-Dream and industry executive Lenny S gather the contestants in Atlanta for auditions, workshops, and mentorship sessions with the moguls and surprise guests like DJ Khaled, Meek Mill and Bangladesh. After honing their craft, the artists face challenges, then eliminations, on their way to a finale performance showcase, and the ultimate winner has the opportunity to be signed to one of the mogul's record labels. …
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Ozone layer may be restored in decades, UN report says
By Phelan ChatterjeeBBC News
Human action to save the Ozone layer has worked as hoped, and it may recover in just decades, the UN says.
An international agreement in 1987 to stop using the harmful chemicals that were damaging the layer has been successful, The Major assessment says.
The Ozone layer is a thin part of The Earth 's Atmosphere that absorbs most of the ultraviolet Radiation from The Sun .
When it is depleted, this Radiation can reach The Surface - causing potential harm to humans and other Living Things .
Ultraviolet rays can damage DNA and cause sunburn, increasing the long-term risk of problems such as skin cancer.
The Ozone layer began depleting in the 1970s.
Chlorofluorocarbons (CFCs), which were commonly found in spray cans, fridges, foam insulation and air conditioners, were blamed for eating away at the Ozone layer.
A gaping hole in the layer was discovered by scientists in 1985. Just two years later, the Montreal Protocol was Signed - with 46 countries promising to phase out the harmful chemicals.
The Deal later became The First UN treaty to achieve universal ratification, and almost.
The Antarctic Ozone hole continued expanding until 2000, after which its area and depth began improving slowly.
Now, a report co-produced by the UN, US and EU agencies says the Montreal Protocol is working as hoped.
It says that, to 1980 values - before the Ozone hole appeared - at different points in different places:
However, the depletion of Ozone - while harmful due to solar Radiation - is.
But saving the Ozone layer has had a positive knock-on effect on Global Warming , The Report suggests, because some of the harmful chemicals that were phased out are powerful greenhouse gases.
That phase-out will have prevented up to 1C of warming by The Middle of The Century - if compared to increasing their use by 3% per year, The Scientists found.
While The Report has been hailed as Good News - and evidence that rapid, international action to avert environmental crises can Work - it warns that continued progress on the Ozone layer is not guaranteed.
For example, proposals to limit Global Warming by sending millions of tonnes of sulphur dioxide into the upper Atmosphere - known as - could drastically reverse the Ozone layer's Recovery .
Source of news: bbc.com
