
ALT Two individuals in a laboratory setting are examining a specimen on a table. Dr. Brian Schubert is wearing a red shirt and observing, while the other, dressed in a lab coat and gloves, is handling the specimen. A digital microscope image is visible on a nearby computer screen, supporting their investigation. Various lab equipment surrounds them.

ALT A compositive of photographs illustration three aspects of the paper. Top panel is a photograph of square plant growth chambers about 1 cubic meter in volume used to subject growing plants to elevated CO2 levels. The lower right panel is a photograph of Arabidopsis plants, eight of which were grown under ambient levels of CO2 and eight of which were grown under approximately 3´ ambient levels of CO2. The plants grown under elevated CO2 are noticeably larger.

















