from wiki, but this sums it up -
"The Kyoto Protocol has sanctioned offsets as a way for governments and private companies to earn carbon credits which can be traded on a marketplace."


What if......, there were 1000s of MASSSIVE Ice making companies making ice pieces the size of a hot air balloons non stop all day/all year long and tossing them into the Arctic and the Antarctic. Will this maybe sorta balance out the melting ice? o: