NAOMI KLEIN – In December 2012, a pink-haired complex systems researcher named Brad Werner made his way through the throng of 24,000 earth and space scientists at the Fall Meeting of the American Geophysical Union, held annually in San Francisco. . . . But it was Wernerâ€™s own session that was attracting much of the buzz. It was titled â€œIs Earth F**ked?â€ (full title: â€œIs Earth F**ked? Dynamical Futility of Global Environmental Management and Possibilities for Sustainability via Direct Action Activismâ€).