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Stories about: ozone layer

A Simulation of Earth Without Its 'Sunscreen' The world seems to have woken up just in time, researcher say, when more than two decades ago the United Nations and several leading countries in the world became aware of the first-ever sign of human activity influence on the atmosphere – the hole in the ozone layer. Despite the fact that it took 9 years to ge... 20 March 2009 09:35 GMT Ozone – the Silent Killer The deadly gas is formed when sunlight hits various gases in the atmosphere, usually generated by human activities. The ever-increasing levels of pollution in major cities cause for larger quantities of ozone to be generated all the time. While the ozone layer in the upper atmosphere protects our planet against UV li... 23 October 2008 04:02 GMT Ozone Layer Hole over Antarctica Widens This year, the European Space Agency's (ESA) satellites and follow-up instruments recorded the second largest recorded hole in the ozone layer, second in size only to the one observed in 2006. While 2007 showed some promise in this regard, with an increase in the thickness of the layer, the tendency did not go o... 14 October 2008 08:04 GMT