Tag Archives: UV Index

How Ozone Depletion Affects UV Levels.

How Ozone Depletion Affects UV Levels

Scientists predict that ozone depletion should peak around year 2010. As world-wide controls reduce the release of CFCs and other ozone-eating substances, nature will repair the ozone layer. By year 2065 stratospheric ozone should return to the amount present in 1980. Until then, we can expect higher levels of UV radiation at the Earth’s surface. We need to take care to avoid the bad health effects that could result from too much UV radiation.

What Is Stratospheric Ozone?

Ozone is a natural gas that is found in two different layers of the atmosphere. One layer, called the troposphere, is at the Earth’s surface where we live. Ozone in the troposphere is “bad” because it dirties the air and helps make smog, which is unhealthful to breathe. The other layer, called the stratosphere, is miles above the Earth’s surface. Ozone in the stratosphere is “good” because it protects life on Earth by absorbing some of the sun’s harmful UV rays. Stratospheric ozone is found most often between six and 30 miles above the Earth’s surface.

What Is Being Done?

Countries around the world, including the United States, have seen the threats created by ozone depletion and agreed to a treaty called the Montreal Protocol. This Protocol will help humans to stop making and using ozone-eating chemicals.

For further reading follow link here: Ozone Layer | SunWise for Kids | US EPA.

Sonnenwetter: Sonnenbad “Mallorca-Akne” Warum?

Sonnenwetter: Sonnenbad “Mallorca-Akne” Warum?

Rund 20 Prozent der Europäer und US-Amerikaner leiden an einer Sonnenallergie. Tendenz steigend, sagen Hautärzte. In Deutschland reagiert mittlerweile jeder Siebte mit juckenden Pusteln auf das Sonnenbad. Frauen zwischen 20 und 30 Jahren erkranken häufiger an der sogenannten polymorphen Lichtdermatose als Männer.  Warum immer mehr Menschen an einer Sonnenallergie erkranken, ist noch unklar. Bei der Mallorca-Akne, einer speziellen Art von Sonnenallergie, macht man Emulgatoren in Sonnencremes verantwortlich. Wer mit Pusteln und Pickeln auf dem Dekolletee aus dem Urlaub kommt, sollte in Zukunft keine fett- und emulgatorhaltigen Sonnenprodukte mehr benutzen. Mehr… Sonnenallergie-mallorca-akne!.