>> Now, if I leave a bunch of organic material lying around it'll catch fire and go right back into the air. Only an issue for the 1/3 of our planet that is dr

>> Now, if I leave a bunch of organic material lying around it'll catch fire and go right back into the air. Only an issue for the 1/3 of our planet that is dry. By volume/mass, most organic material eventually falls into the deep ocean, a place where fire isn't much of an issue.