Add Yahoo as a preferred source to see more of our stories on Google. An observatory high on Hawaii's Mauna Loa volcano that measures carbon dioxide in the atmosphere has reported its highest ever ...

GENEVA (AP) — Heat-trapping carbon dioxide levels in the atmosphere jumped by the highest amount on record last year, soaring to a level not seen in human civilization and “turbo-charging” the Earth’s ...

MINNEAPOLIS — There was detailed medical testimony Monday about the levels of carbon dioxide in George Floyd’s body – an issue that could be pivotal in Derek Chauvin’s murder trial. The emergency room ...

MAYPEARL, Texas — Some parents in Maypearl are frustrated and demanding answers after Maypearl Primary School was abruptly closed last week due to air quality concerns. Chase Edwards has a ...

Medically reviewed by Sanja Jelic, MDMedically reviewed by Sanja Jelic, MD Hypercapnia describes high carbon dioxide (CO2) levels in the blood. It can happen when there is an overproduction of CO2 or ...

MAYPEARL, Texas — Following concerns about poor air quality at Maypearl Primary School, Maypearl ISD leaders held a special meeting for parents on Wednesday. Rachel Girard, a parent, has decided to ...