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.
Italian Seismologists Found Guilty of Manslaughter
Six seismologists and a government official were found guilty of manslaughter and sentenced to six years in prison. The court found that they had not adequately warned the public about the potential of a dangerous earthquake. L'Aquila, Italy, was rocked by a 6.3 magnitude earthquake on April 6, 2009 that killed 309 people.
For more information about this ruling, visit Earth magazine online.
