Webb29 mars 2013 · Don't Let This Happen to Your Planet. March 29, 2013: Ozone stinks. People who breathe it gag as their lungs burn. The EPA classifies ground-level ozone as air pollution. Yet without it, life on Earth would be impossible. A fragile layer of ozone 25 km above Earth's surface is all that stands between us and some of the harshest UV rays … Webb15 mars 2024 · ozone layer noun : a layer of the earth's atmosphere at heights of about 20 to 30 miles (32 to 48 kilometers) that is normally characterized by high ozone content which blocks most of the sun's ultraviolet radiation from entry into the lower atmosphere More from Merriam-Webster on ozone layer Britannica.com: Encyclopedia article about …

Ultraviolet Radiation: How It Affects Life on Earth - NASA

Webb22 nov. 2024 · The ozone layer, Earth’s sunscreen, absorbs about 98 percent of this devastating UV light. The ozone layer is getting thinner. Chemicals called chlorofluorocarbons (CFCs) are a reason we have a thinning ozone layer. A CFC is a … Engage with National Geographic Explorers and transform learning experiences … Extreme Exploration Deep Ocean Dropcam. Deep Ocean Dropcam is a low-cost, low … National Geographic has long told the story of our human journey, and that must … Wills and Trust: By including the National Geographic Society in your will or trust … We identify, invest in, and support a diverse, global community of National … The individual responsible for carrying out the project should write the application … The National Geographic Museum is an ideal destination for curious people of all … Ideas and Insight From National Geographic. About National Geographic … WebbThe ozone layer blocks harmful ultraviolet-B (UVB) radiation from the Sun — it protects us in a way that is similar to putting sunscreen on your skin to prevent sunburn. The ozone hole puts all living things at risk by increasing the amount of UVB that reaches the surface. camping near legoland florida

Ozone layer Definition & Meaning - Merriam-Webster

Webb22 okt. 2014 · With decreasing levels of ozone in the atmosphere, we are being exposed to higher levels of ultraviolet radiation (UVR) than ever before. UVR carries higher energy than visible light, and its effects on tissues include DNA damage, gene mutations, immunosuppression, oxidative stress and inflammatory responses. In the eye, UVR is … WebbThe ozone layer is a layer in Earth's atmosphere that absorbs most of the Sun's UV radiation. It contains relatively high concentrations of ozone, although it is still very small with regard to ordinary oxygen. Ozone is a gas made up of three oxygen atoms (O 3 ). It occurs naturally in small amounts in the upper atmosphere (the stratosphere). WebbAnd if Anderson is right and the ozone layer is under renewed attack, then all of the potential consequences of that threat are back like a bad dream from the 1980s: more ultraviolet light ... camping near letchworth state park ny