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.
Evolution teaching under attack in Texas
Many members of the Board of Education are attempting to compromise the state’s science education standards by watering down treatment of evolution, and opening a door to creationism in science classes. Because it is a large market for textbooks, Texas has a disproportionate effect on their content, and decisions made in Texas affect textbooks in other states as well. See http://ncseweb.org/news/2009/01/victory-over-weaknesses-texas-004236 for more information and how you can help.
