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.
California Issues: UC lab status
Both my honors and my regular geology classes have received UC "d" lab status. I am trying to help others get the same status. I would love to hear from anyone with advice/stories about getting "d" lab status. - Wendy Van Norden, Harvard-Westlake School, No. Hollywood, CA
