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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 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.
  • Massive Tornado Outbreak on Tornado Alley
    The week of May 19 brings dozens of tornadoes to Tornado Alley in the states of Oklahoma, Kansas, Io...Read more

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    Massive Tornado Outbreak on Tornado Alley

    The week of May 19 brings dozens of tornadoes to Tornado Alley in the states of Oklahoma, Kansas, Iowa, Illinois and Missouri. On May 20th, a massive tornado struck Moore, Oklahoma, devastating communities - destroying over 100 homes and hitting two elementary schools and a hospital - with many casualties and deaths. Our thoughts are with our friends and colleagues suffering from these storms. For more on the May 20th storms, see the NOAA Storm Prediction Center Storm Report.
  • Kansas Legislator Proposes Bill to Outlaw Sustainability Education
    A bill has been introduced in the Kansas legislature this week that would prohibit the promotion of ...Read more

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    Kansas Legislator Proposes Bill to Outlaw Sustainability Education

    A bill has been introduced in the Kansas legislature this week that would prohibit the promotion of sustainability. Here is a link to the one-page bill: http://www.kslegislature.org/li/b2013_14/measures/documents/hb2366_00_0000.pdf. See report on Bloomberg News.

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Cool It! Game

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Several tornadoes hit Arkansas, 24 killed

Several severe thunderstorms hit the U.S. over the weekend, wreaking havoc on the Midwestern and Southern states. Fourteen tornadoes hit Arkansas on Saturday, March 1, 1997, killing 24 people and injuring...more

Severe thunderstorms cause flooding, deaths

Several severe thunderstorms hit the U.S. over the weekend, wreaking havoc on the Midwestern and Southern states. Storms on Saturday, March 1, have killed at least 21 in Kentucky, Mississippi, Ohio, Tennessee,...more

Tornadoes strike in Tennessee and Kentucky

Twelve tornadoes hit Tennessee early Saturday morning, injuring at least 44 people. Two people were killed when six more tornadoes touched down in Kentucky. The tornadoes came from a broad band of severe...more

Most recent global image of ozone concentration

NASA's instrument Total Ozone Mapping Spectrometer (TOMS) aboard Japanese Advanced Earth Orbiting Satellite (ADEOS) has provided the most recent image showing the total ozone concentration. Ozone is a...more

1996 Antarctic ozone hole below record average size

NASA's Total Ozone Mapping Spectrometer instruments (TOMS) aboard NASA Earth Probe satellite and Japanese Advanced Earth-Observing Satellite (ADEOS) have detected substantial depletion of ozone levels...more

Intergovernmental Panel on Climate Change 4th Assessment Report

The 4th Assessment Report Summary for Policymakers of the Intergovernmental Panel on Climate Change (IPCC) is scheduled to be released on February 2, 2007 in Paris, France. The IPCC has been established...more

Huge Oil Spill in Gulf of Mexico

A large oil drilling rig in the Gulf of Mexico caught fire and sank in April 2010. Eleven workers were killed and several others injured in the accident. After the oil rig sank, a huge oil slick formed...more

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