Carbon Dioxide Hits a New Peak this Spring: 404 ppm
Posted: 10:08 AM EDT on April 21, 2015
Weekly carbon dioxide measurements from the pristine air atop Hawaii’s Mauna Loa have just topped another predictable yet worrisome milestone: 404 parts per million. By all evidence, we now have the largest amount of CO2 present in Earth’s atmosphere for at least the last 800,000 years, and probably several million.
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A major F4 tornado struck at a dismissal time at a Belvidere, IL school on this date in 1967. The tornado ripped right through the school's bus loading zone, where students were being loaded onto buses. Twelve buses were overturned and 13 students were killed and plywood from nearby houses were used as stretchers for the 300 injured.
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