The only folks who give a shit: Them that think they're gonna live forever.
Earth supports life. Life does not support Earth. Without life the planet will still be a roughly roundish chunk of elemental rock that will still continue it's lazy spin around the sun.
Perspective is really, very important.
Surface Area? Total Volume?

"bullshit. Fact is, fuck up the planet, your screwing all known life. Which, from the perspective of the living, is pretty fucked-up.