Atmospheric concentrations of carbon dioxide have been steadily rising, from approximately 315 ppm (parts per million) in 1959 to a current atmospheric average of approximately 385 ppm (Keeling et al.

While plants use the energy from sunlight to turn carbon dioxide and water into sugars that fuel the plant's growth, the chemical steps involved produce some toxic compounds that actually limit ...

oxygen and carbon dioxide concentrations, relative humidity, temperature, and soil moisture monitoring, are available (inside the chamber) for plant growth and monitoring,” according to the ...