Take a first-hand look at how climate change affects the biosphere at this Web site from San Francisco's Exploratorium. Visitors can access long-term, short-term, and even near real time data from a number of research projects conducted by various institutions. All data are presented graphically, with straightforward explanations of phenomena in question. Science educators may find this Web site useful in that it conveys the sense of "how researchers gather evidence, test theories, and come to conclusions." A helpful glossary and a number of useful related links are included.