Heather (Diné) is an expert on Tribal water issues. She does research at the intersection of environmental and health policy and much of her work focuses on water and climate challenges regarding Colorado River management. She also leads the Universal Access to Clean Water initiative, which seeks to bring awareness to the lack of clean, safe, and reliable drinking water in Indian country and to make tangible progress on securing water access for all tribal communities. Talk to her about: federal treaty and trust responsibility, tribal water rights, and climate change impacts.