What obstacles does river Mississippi encounter?

The Mississippi River faces several obstacles, including pollution from agricultural runoff and industrial discharges, which threaten water quality and aquatic ecosystems. Additionally, sedimentation and erosion alter its natural flow and can impact navigation. Flooding is another significant challenge, exacerbated by climate change and urban development, which can overwhelm levees and floodplains. Lastly, invasive species disrupt the native biodiversity, further complicating conservation efforts.