People Coloring Book--Evelyn Granville
Current Events
- 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 morexAtmospheric 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 morexMassive 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 morexKansas 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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Evelyn Granville
Evelyn Granville is an American mathematician who was born in 1924. She was one of the first black women in the United States to receive a Ph.D. in mathematics. She has helped NASA's Space Shuttle program...moreShop Windows to the Universe
Our Glaciers: Then and Now activity kit helps you see the changes taking place in glaciers around the world. See all our activity kits and classroom activities.
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