Heartbeat of Gaia: this section views snatches of the natural world through both a microlens and a macrolens. Of particular interest may be "Nunavut Lament,"a lengthy prose piece that addresses global warming through a dystopian view in the year 2430 of life above the Arctic Circle, the last habitable region of what used to be North America. Half of the pieces in this section are devoted to the ancient, classical haiku form. Spirit...