WAIMEA, Hawaii - The Mauna Loa Observatory in Hawaii measured carbon dioxide levels in the atmosphere and found the highest concentration ever recorded on April 3. Researchers measured the average ...

As people sit and talk inside a conference room or huff and puff as they work out in a gym, their exhaled breath accumulates in the air. Unless that space is well ventilated, all that exhaled breath ...

For the first time, an international team has conducted two unique long-term experiments, concluding that elevated atmospheric CO2 reduces soil phosphorus availability in rice crops by more than 20% ...

John Locher/AP / AP The amount of planet-warming carbon dioxide in the Earth’s atmosphere has hit a new record, as humanity struggles to rein in emissions of greenhouse gasses from burning fossil ...

According to new research published in the journal Air Quality, Atmosphere & Health, the rising concentration of CO2 in the ...

CO2 levels are altering the chemical makeup of human blood over time, and may lead to health problems down the road. | Credit ...

On June 7 the Scripps Institution of Oceanography and the National Oceanic and Atmospheric Administration (NOAA) announced that the atmospheric CO2 (carbon dioxide) concentration had reached its ...