No kidding the earth has been warming up.  10k year ago, where I sit today, there was a 2km ice sheet above my head.  4k year ago, a couple of km from me, natives met up where two rivers meet.  This happen long, long before we were blaming everything man made on global warming, err climate change.<br><br>For my money, I think our nearest star has more to do on what happens here than we give it credit for.