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  • Irish Chronicles Document Links Between Volcanoes and Weather
    A study of over 40,000 written entries in Irish Annals and ice core measurements shows a strong corr...Read more

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    Irish Chronicles Document Links Between Volcanoes and Weather

    A study of over 40,000 written entries in Irish Annals and ice core measurements shows a strong correlation between the occurrence of volcanic eruptions and extreme cold weather in Ireland over a 1200 year period. Data analyzed in this study cover the period from 431 to 1649, during which time up to 48 volcanic eruptions are identified in Greenland ice core records through deposition of volcanic sulfate in annual layers of ice. You can find the study (open access), published on 6 June 2013 in IOP Publishing's journal Environmental Research Letters, at http://iopscience.iop.org/1748-9326/8/2/024035/article. Find out more about how volcanoes can influence climate.
  • EF-5 Tornado in El Reno, Oklahoma Widest Ever Recorded in US
    The EF-5 tornado that hit El Reno, Oklahoma on May 31st was the widest ever recorded in the US, acco...Read more

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    EF-5 Tornado in El Reno, Oklahoma Widest Ever Recorded in US

    The EF-5 tornado that hit El Reno, Oklahoma on May 31st was the widest ever recorded in the US, according to the National Weather Service in Norman Oklahoma. The tornado, which remained on the ground for 40 minutes and reached 2.6 miles across (4.2 km), took the lives of 18 people including storm chasers Tim Samaras, Paul Samaras and Carl Young. For more information on the tornado, visit http://ow.ly/i/2hfDG.
  • Atmospheric CO2 Level Tops 400 ppm
    During the week of May 13th, the CO2 level at the Mauna Loa Observatory in Hawaii topped 400 ppm rep...Read more

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    Atmospheric CO2 Level Tops 400 ppm

    During the week of May 13th, the CO2 level at the Mauna Loa Observatory in Hawaii topped 400 ppm repeatedly. Daily levels of CO2 can vary due to weather, and there are seasonal trends as well. The level of atmospheric greenhouse gases continues to increase, now over 120 ppm since the Industrial Revolution began. For more on the Keeling Curve, see http://keelingcurve.ucsd.edu/. Find out more about greenhouse gases and warming.
What a future Moon colony might look like...
NASA

Water on the Moon?
News story originally written on March 10, 1998

The tiny Lunar Prospector probe launched in January 1998 has found the answer to the most controversial question in lunar science. The Lunar Prospector has found that there is indeed water-ice located at the poles of the Moon. This finding, made just days ago, is certainly a historical discovery!

The Prospector is piggy-backing on the work done earlier by Clementine in 1994. Clementine, a lunar probe built by the Pentagon, first indicated the possibility of ice on the Moon. Now, just four years later, scientists are claiming Prospector's findings of ice as unquestionably true.

Prospector has found between 10 and 300 million tons of water-ice located at the North and South poles of the Moon. This water-ice probably accumulated as meteors and comets (both containing water) hit the Moon's surface.

You might find yourself saying, "So what! We have plenty of water here on Earth!" But the fact that we've found sources of water on the Moon makes the possibility of a lunar colony so much more feasible. You see, transporting water to the Moon to support the men and women who would live there would be very expensive - an estimated $10,000 per pound of water! The amount of water-ice that the Prospector predicts is present on the Moon could support a community of 1,000 two-person households for well over a century on the lunar surface, without recycling.

"This spacecraft has performed beyond all reasonable expectations," said NASA's Lunar Prospector mission manager Scott Hubbard. "The findings announced today are just the tip of the iceberg compared to the wealth of information forthcoming in the months and years ahead."

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