"Morgans" wrote:
"Jim Logajan" wrote

Corn, sugarcane, and other crops appear to be dwarfed by the energy
delivered by a family of organisms dating back nearly 3.5 billion years:

Algae.

PLUS the added bonus that it produces massive amounts of oxygen, while
consuming carbon dioxide.

True on both counts - but one could burn the entire biosphere and it would
not consume all the oxygen in the atmosphere. So the extra oxygen is no big
deal since no shortage is anticipated. Unless you are thinking of some
other advantage or use of the oxygen....