$20M NRG COSIA Carbon XPRIZE will challenge the world to reimagine what we can do with CO2 emissions. (Photo courtesy The XPrize Foundation)

$20M NRG COSIA Carbon XPRIZE will challenge the world to reimagine what we can do with CO2 emissions. (Photo courtesy The XPrize Foundation)

$20M NRG COSIA Carbon XPRIZE will challenge the world to reimagine what we can do with CO2 emissions. (Photo courtesy The XPrize Foundation)