The document discusses global climate change and initiatives by the U.S. government and other organizations to address it. It notes that in 2001 the U.S. President committed to developing a science-based climate change policy and funding research on technologies to meet the climate challenge. The President also created the Climate Change Research Initiative to study uncertainties and identify investments that could make a difference. Additional sections discuss definitions of climate change, its causes, the role of states and citizens in meeting reduction goals, and calls to action to address it through both domestic and international policies.