Tribal Nations are recognized as sovereign nations and that have inherent power to govern all matters involving tribal members and issues in Indian Country. In the United States there are 573 federally recognized Indian Nations (also called Tribes, Nations, Pueblos, Native Villages, Communities, and Pueblos) as well as a number of Tribal Nations recognized by states within the United States. Tribal communities rely on farms, forests, rangelands, as well as freshwater and marine ecosystems for culture, heritage, and food security. Many tribal communities and fundamental ways of life are vulnerable to climate change as it will affect food harvest, preparation, consumption, as well as spiritual practices. Climate change is already affecting Native communities. These communities have a cultural history of adapting to change, but are vulnerable to these rapid changes.