Nature may be resilient but too often our actions result in unforeseen consequences. Bob Howells’ decades as an aquatic biologist has given him a unique perspective on the changes in the Guadalupe River ecosystem. What we see today are 160 years of taming the river plus the impacts of our land uses. The first 2017 Brown Bag Lunch & Learn starts at 11:30 a.m. - 12:45 p.m.