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.
Standards and Frameworks
NESTA is happy to provide links to science curricula, educational standards, benchmarks, and science literacy documents. If you are aware of additional documents that you think would be helpful to your colleagues, please suggest a resource!
