Born in 1889 and reared in the village of Marshfield, Missouri, Edwin Powell Hubble - star athlete, Rhodes Scholar, military officer, astronomer - became one of the towering figures in twentieth-century science. Hubble worked with the great 100-inch Hooker telescope at California's Mount Wilson Observatory, and made a series of discoveries that revolutionized humanity's vision of the cosmos. In 1923, he was able to confirm the existence of other nebulae,...

There is no longer any doubt that the earth is warming: the question remains, why? For historian Gale Christianson, the emergence of global warming is one of the most compelling stories in the history of humankind, made all the richer for having been a slowly developing phenomenon. Finding the clues to global warming both deep in the past and right before our eyes, Christianson introduces a memorable and unlikely cast of characters and events. Scientists,...