The changing color and composition of lakes worldwide, exacerbated by climate change, are causing significant ecological and public health challenges. In California, lakes like Lake Elsinore and Clear Lake are battling toxic cyanobacteria blooms due to factors like treated wastewater and high phosphorus levels, respectively (ABC10). At Tule Lake, the die-off of birds is attributed to botulism, worsened by water policies and climate change, with rescuers attempting to stabilize affected wildlife (SF Chronicle). Meanwhile, Utah Lake has seen success in reducing invasive species and improving its ecosystem, yet faces challenges in maintaining these gains (Yahoo News). At Eagle Lake, falling water levels and algae growth pose threats, with restoration efforts hampered by drought conditions (ABC10). These cases highlight the urgent need for comprehensive management plans to address the complex challenges facing these vital water bodies.