[count-your-change]

Cover the entire southwestern desert with algae ponds....it might make a dent in the supply.

[Wonder Warthog]

"Cover the entire southwestern desert with algae ponds....it might make a dent in the supply."

Process doesn't use algae and is far more efficient than algal approaches. The necessary land is a minute fraction of the "southwestern desert".

[Minus_The_Bear]

Where are they going to get the massive supply of C02 they need?

C02 is what causes the rapid growth of the algae. That is why the place these start ups next to power plants.