by Paul Hawken   When I was invited to give this speech, I was asked if I could give a  simple short talk that was “direct, naked, taut, honest, passionate,  lean, shivering, startling, and graceful.” No pressure there.   Let’s begin with the startling part. Class of 2009: you are going to  have to figure out what it means to be a human being on earth at a time  when every living system is declining, and the rate of decline is  accelerating. Kind of a mind-boggling situation… but not one  peer-reviewed paper published in the last thirty years can refute that  statement. Basically, civilization needs a new operating system, you are  the programmers, and we need it within a few decades.    This   planet came with a set of instructions, but we seem to have misplaced  them. Important rules like don’t poison the water, soil, or air,  don’t let the earth get overcrowded, and don’t touch the thermostat have  been broken.  Buckminster Fuller said that spaceship earth was so  ingeniously de...