Cyanobacteria, as they still exist today, were the first organisms to carry out photosynthesis and release oxygen. Produced in primeval oceans about 2.5 billion years ago, this oxygen accumulated in ...

Oxygenated VOCs with low and/or extremely low vapor pressures are particularly significant to the climate. They are essential in generating atmospheric aerosols by condensing onto pre-existing aerosol ...

State laws require the use of a special blend of gasoline meant to help control ozone and other air pollutants in metro Phoenix. Arizona's "cleaner burning gasoline" is produced with the addition of ...

The original version of this story appeared in Quanta Magazine. Scientists have come to realize that in the soil and rocks beneath our feet there lies a vast biosphere with a global volume nearly ...