In 2007, the Texas state legislature, with much urging from the Sierra Club's Lone Star Chapter and the National Wildlife Foundation, passed a bill designed to improve the health of the state's major rivers-and the bays and estuaries into which they flow. Senate Bill 3 calls for scientists to determine how much water each river needs to maintain a vibrant ecology and mandates meetings between environmentalists and other stakeholders, such as farmers, water districts, and municipalities, to establish "environmental flow standards" for the waterways. We asked Tyson Broad, longtime research associate with the Lone Star Chapter, to explain how these ongoing efforts might affect the Rio Grande.
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