Exposed to the oxygen present in air and sparked by lava, the sulfur burns readily, and its flames are bright blue. There's so much sulfur, Grunewald says, that at times it flows down the rock ...

Sulfur dioxide (SO 2) is a pungent, toxic gas that is the primary product of burning elemental sulfur. It exists widely in nature, mostly from volcanic activity and burning fossil fuels. It is found ...

YANG Xueming from the Dalian Institute of Chemical Physics (DICP) of the Chinese Academy of Sciences has reported oxygen production from vacuum ultraviolet photodissociation of sulfur dioxide (SO ...

The biggest sources are coal-burning power plants ... Caused when rain droplets absorb air pollution like sulfur and nitrogen oxides, acid rain weakens trees by dissolving nutrients in the ...