The Antarctic ozone hole, which yawns wide every Southern Hemisphere spring, reached its annual peak on September 12, stretching 10.05 million square miles, the ninth largest on record. Above the South Pole, ...
Oct 20, 2011
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Last winter, an unprecedented ozone hole appeared above the Arctic, five times the size of Germany. For ETH-Zurich professor Thomas Peter, the recently published study comes as no surprise. But it does raise ...
Oct 12, 2011
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Space is a violent place. If a star explodes or black holes collide anywhere in our part of the Milky Way, they'd give off colossal blasts of lethal gamma-rays, X-rays and cosmic rays and it's perfectly reasonable to expect ...
Oct 07, 2011
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(PhysOrg.com) -- ESA's Venus Express spacecraft has discovered an ozone layer high in the atmosphere of Venus. Comparing its properties with those of the equivalent layers on Earth and Mars will help astronomers ...
Oct 06, 2011
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(PhysOrg.com) -- A NASA-led study has documented an unprecedented depletion of Earth's protective ozone layer above the Arctic last winter and spring caused by an unusually prolonged period of extremely low ...
Oct 02, 2011
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What goes up must come down. But where?
Sep 21, 2011
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A 20-year-old satellite that measured the ozone layer is expected to crash back to Earth late next week, but NASA said it still does not know where it will fall.
Sep 17, 2011
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To mark the annual International Day for the Preservation of the Ozone Layer (Ozone Day), Dr Neil Harris, an expert on the atmospheric composition from the University’s Department of Chemistry, discusses ...
Sep 16, 2011
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We sort our rubbish. We recycle our rainwater. We worry about depleted oceans, ravaged rainforests, threatened species.
Sep 14, 2011
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Nitrous oxide (N2O) is a harmful climate gas. Its effect as a greenhouse gas is 300 times stronger than that of carbon dioxide. Nitrous oxide destroys the ozone layer. In industrial agriculture, it is generated ...
Aug 22, 2011
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(PhysOrg.com) -- In a paper published in the US journal Optical Materials Express this week, Macquarie University researchers show that even the earth's hardest naturally occurring material, the diamond, is not ...
Jul 18, 2011
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Ground-level ozone is an air pollutant that harms humans and plants. Both climate and weather play a major role in ozone damage to plants. Researchers at the University of Gothenburg, Sweden, have now shown that climate change ...
Jun 30, 2011
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An Australian research institute on Monday launched a website that allows the public to monitor greenhouse gas emissions in the southern hemisphere.
Jun 20, 2011
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If alien geologists were to visit our planet 10 million years from now, would they discern a distinct human fingerprint in Earth's accumulating layers of rock and sediment?
May 15, 2011
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In a study to be published in the April 21st issue of Science magazine, researchers at Columbia University's School of Engineering and Applied Science report their findings that the ozone hole, which is located over the So ...
Apr 21, 2011
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