An image attached to Jan. 12 Instagram post (direct link, archive link) shows clouds spelling out "CO2" against a blue sky. "CO2 has a molecular weight of just over 44 while air – mainly oxygen and ...

Menlo Park, Calif. -- Scientists from the Department of Energy's SLAC National Accelerator Laboratory and Stanford University have taken the first images of carbon dioxide molecules within a molecular ...

The humble leaf, which collects sunlight and uses that energy to turn carbon dioxide into fuel for the plant, has inspired scientists to create various systems that could turn the greenhouse gas into ...

Scientists have discovered a new way to make molecular oxygen (O2) from carbon dioxide (CO2) -- no green plants involved. Their findings could alter our understanding of the Earth’s early atmosphere ...